25509248163

素因数分解:

$3^3\times 7^1\times {\mathrm{29}}^2\times {\mathrm{31}}^2\times {\mathrm{167}}^1$

素因数の和:303

約数の個数: 144

約数和(自身を含む): 46497185280

約数和(自身を除く): 20987937117

約数列:

[1, 3, 7, 9, 21, 27, 29, 31, 63, 87, 93, 167, 189, 203, 217, 261, 279, 501, 609, 651, 783, 837, 841, 899, 961, 1169, 1503, 1827, 1953, 2523, 2697, 2883, 3507, 4509, 4843, 5177, 5481, 5859, 5887, 6293, 6727, 7569, 8091, 8649, 10521, 14529, 15531, 17661, 18879, 20181, 22707, 24273, 25947, 26071, 27869, 31563, 33901, 36239, 43587, 46593, 52983, 56637, 60543, 78213, 83607, 101703, 108717, 130761, 139779, 140447, 150133, 158949, 160487, 169911, 181629, 182497, 195083, 234639, 250821, 305109, 326151, 421341, 450399, 481461, 547491, 585249, 703917, 752463, 808201, 915327, 978453, 983129, 1050931, 1123409, 1264023, 1351197, 1444383, 1642473, 1755747, 2424603, 2949387, 3152793, 3370227, 3792069, 4053591, 4333149, 4353857, 4654123, 4927419, 5267241, 5657407, 7273809, 8848161, 9458379, 10110681, 13061571, 13962369, 16972221, 21821427, 26544483, 28375137, 30332043, 30476999, 32578861, 39184713, 41887107, 50916663, 91430997, 97736583, 117554139, 125661321, 134969567, 152749989, 274292991, 293209749, 404908701, 822878973, 879629247, 944786969, 1214726103, 2834360907, 3644178309, 8503082721, 25509248163]

約数ペア:

[(1, 25509248163), (3, 8503082721), (7, 3644178309), (9, 2834360907), (21, 1214726103), (27, 944786969), (29, 879629247), (31, 822878973), (63, 404908701), (87, 293209749), (93, 274292991), (167, 152749989), (189, 134969567), (203, 125661321), (217, 117554139), (261, 97736583), (279, 91430997), (501, 50916663), (609, 41887107), (651, 39184713), (783, 32578861), (837, 30476999), (841, 30332043), (899, 28375137), (961, 26544483), (1169, 21821427), (1503, 16972221), (1827, 13962369), (1953, 13061571), (2523, 10110681), (2697, 9458379), (2883, 8848161), (3507, 7273809), (4509, 5657407), (4843, 5267241), (5177, 4927419), (5481, 4654123), (5859, 4353857), (5887, 4333149), (6293, 4053591), (6727, 3792069), (7569, 3370227), (8091, 3152793), (8649, 2949387), (10521, 2424603), (14529, 1755747), (15531, 1642473), (17661, 1444383), (18879, 1351197), (20181, 1264023), (22707, 1123409), (24273, 1050931), (25947, 983129), (26071, 978453), (27869, 915327), (31563, 808201), (33901, 752463), (36239, 703917), (43587, 585249), (46593, 547491), (52983, 481461), (56637, 450399), (60543, 421341), (78213, 326151), (83607, 305109), (101703, 250821), (108717, 234639), (130761, 195083), (139779, 182497), (140447, 181629), (150133, 169911), (158949, 160487)]