71985627

素因数分解:

$3^2\times 7^1\times {\mathrm{29}}^1\times {\mathrm{31}}^2\times {\mathrm{41}}^1$

素因数の和:145

約数の個数: 72

約数和(自身を含む): 130122720

約数和(自身を除く): 58137093

約数列:

[1, 3, 7, 9, 21, 29, 31, 41, 63, 87, 93, 123, 203, 217, 261, 279, 287, 369, 609, 651, 861, 899, 961, 1189, 1271, 1827, 1953, 2583, 2697, 2883, 3567, 3813, 6293, 6727, 8091, 8323, 8649, 8897, 10701, 11439, 18879, 20181, 24969, 26691, 27869, 36859, 39401, 56637, 60543, 74907, 80073, 83607, 110577, 118203, 195083, 250821, 258013, 275807, 331731, 354609, 585249, 774039, 827421, 1142629, 1755747, 2322117, 2482263, 3427887, 7998403, 10283661, 23995209, 71985627]

約数ペア:

[(1, 71985627), (3, 23995209), (7, 10283661), (9, 7998403), (21, 3427887), (29, 2482263), (31, 2322117), (41, 1755747), (63, 1142629), (87, 827421), (93, 774039), (123, 585249), (203, 354609), (217, 331731), (261, 275807), (279, 258013), (287, 250821), (369, 195083), (609, 118203), (651, 110577), (861, 83607), (899, 80073), (961, 74907), (1189, 60543), (1271, 56637), (1827, 39401), (1953, 36859), (2583, 27869), (2697, 26691), (2883, 24969), (3567, 20181), (3813, 18879), (6293, 11439), (6727, 10701), (8091, 8897), (8323, 8649)]