81336706857

素因数分解:

$3^2\times 7^2\times {\mathrm{23}}^1\times {\mathrm{47}}^1\times {\mathrm{61}}^1\times {\mathrm{2797}}^1$

素因数の和:2948

約数の個数: 144

約数和(自身を含む): 148084664832

約数和(自身を除く): 66747957975

約数列:

[1, 3, 7, 9, 21, 23, 47, 49, 61, 63, 69, 141, 147, 161, 183, 207, 329, 423, 427, 441, 483, 549, 987, 1081, 1127, 1281, 1403, 1449, 2303, 2797, 2867, 2961, 2989, 3243, 3381, 3843, 4209, 6909, 7567, 8391, 8601, 8967, 9729, 9821, 10143, 12627, 19579, 20069, 20727, 22701, 25173, 25803, 26901, 29463, 52969, 58737, 60207, 64331, 65941, 68103, 68747, 88389, 131459, 137053, 140483, 158907, 170617, 176211, 180621, 192993, 197823, 206241, 394377, 411159, 421449, 450317, 461587, 476721, 511851, 578979, 593469, 618723, 920213, 1183131, 1194319, 1233477, 1264347, 1350951, 1384761, 1535553, 2760639, 3023557, 3152219, 3231109, 3582957, 3924191, 4052853, 4154283, 6441491, 8018999, 8281917, 8360233, 9070671, 9456657, 9693327, 10748871, 11772573, 19324473, 21164899, 24056997, 25080699, 27212013, 27469337, 28369971, 29079981, 35317719, 56132993, 57973419, 63494697, 72170991, 75242097, 82408011, 148154293, 168398979, 184436977, 190484091, 192285359, 247224033, 392930951, 444462879, 505196937, 553310931, 576856077, 1178792853, 1291058839, 1333388637, 1659932793, 1730568231, 3536378559, 3873176517, 9037411873, 11619529551, 27112235619, 81336706857]

約数ペア:

[(1, 81336706857), (3, 27112235619), (7, 11619529551), (9, 9037411873), (21, 3873176517), (23, 3536378559), (47, 1730568231), (49, 1659932793), (61, 1333388637), (63, 1291058839), (69, 1178792853), (141, 576856077), (147, 553310931), (161, 505196937), (183, 444462879), (207, 392930951), (329, 247224033), (423, 192285359), (427, 190484091), (441, 184436977), (483, 168398979), (549, 148154293), (987, 82408011), (1081, 75242097), (1127, 72170991), (1281, 63494697), (1403, 57973419), (1449, 56132993), (2303, 35317719), (2797, 29079981), (2867, 28369971), (2961, 27469337), (2989, 27212013), (3243, 25080699), (3381, 24056997), (3843, 21164899), (4209, 19324473), (6909, 11772573), (7567, 10748871), (8391, 9693327), (8601, 9456657), (8967, 9070671), (9729, 8360233), (9821, 8281917), (10143, 8018999), (12627, 6441491), (19579, 4154283), (20069, 4052853), (20727, 3924191), (22701, 3582957), (25173, 3231109), (25803, 3152219), (26901, 3023557), (29463, 2760639), (52969, 1535553), (58737, 1384761), (60207, 1350951), (64331, 1264347), (65941, 1233477), (68103, 1194319), (68747, 1183131), (88389, 920213), (131459, 618723), (137053, 593469), (140483, 578979), (158907, 511851), (170617, 476721), (176211, 461587), (180621, 450317), (192993, 421449), (197823, 411159), (206241, 394377)]