38783511

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{17}}^2\times {\mathrm{31}}^1\times {\mathrm{37}}^1$

素因数の和:121

約数の個数: 72

約数和(自身を含む): 67942784

約数和(自身を除く): 29159273

約数列:

[1, 3, 9, 13, 17, 31, 37, 39, 51, 93, 111, 117, 153, 221, 279, 289, 333, 403, 481, 527, 629, 663, 867, 1147, 1209, 1443, 1581, 1887, 1989, 2601, 3441, 3627, 3757, 4329, 4743, 5661, 6851, 8177, 8959, 10323, 10693, 11271, 14911, 19499, 20553, 24531, 26877, 32079, 33813, 44733, 58497, 61659, 73593, 80631, 96237, 116467, 134199, 139009, 175491, 253487, 331483, 349401, 417027, 760461, 994449, 1048203, 1251081, 2281383, 2983347, 4309279, 12927837, 38783511]

約数ペア:

[(1, 38783511), (3, 12927837), (9, 4309279), (13, 2983347), (17, 2281383), (31, 1251081), (37, 1048203), (39, 994449), (51, 760461), (93, 417027), (111, 349401), (117, 331483), (153, 253487), (221, 175491), (279, 139009), (289, 134199), (333, 116467), (403, 96237), (481, 80631), (527, 73593), (629, 61659), (663, 58497), (867, 44733), (1147, 33813), (1209, 32079), (1443, 26877), (1581, 24531), (1887, 20553), (1989, 19499), (2601, 14911), (3441, 11271), (3627, 10693), (3757, 10323), (4329, 8959), (4743, 8177), (5661, 6851)]