38737881

素因数分解:

$3^2\times 7^2\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{233}}^1$

素因数の和:295

約数の個数: 72

約数和(自身を含む): 72825480

約数和(自身を除く): 34087599

約数列:

[1, 3, 7, 9, 13, 21, 29, 39, 49, 63, 87, 91, 117, 147, 203, 233, 261, 273, 377, 441, 609, 637, 699, 819, 1131, 1421, 1631, 1827, 1911, 2097, 2639, 3029, 3393, 4263, 4893, 5733, 6757, 7917, 9087, 11417, 12789, 14679, 18473, 20271, 21203, 23751, 27261, 34251, 47299, 55419, 60813, 63609, 87841, 102753, 141897, 148421, 166257, 190827, 263523, 331093, 425691, 445263, 614887, 790569, 993279, 1335789, 1844661, 2979837, 4304209, 5533983, 12912627, 38737881]

約数ペア:

[(1, 38737881), (3, 12912627), (7, 5533983), (9, 4304209), (13, 2979837), (21, 1844661), (29, 1335789), (39, 993279), (49, 790569), (63, 614887), (87, 445263), (91, 425691), (117, 331093), (147, 263523), (203, 190827), (233, 166257), (261, 148421), (273, 141897), (377, 102753), (441, 87841), (609, 63609), (637, 60813), (699, 55419), (819, 47299), (1131, 34251), (1421, 27261), (1631, 23751), (1827, 21203), (1911, 20271), (2097, 18473), (2639, 14679), (3029, 12789), (3393, 11417), (4263, 9087), (4893, 7917), (5733, 6757)]