15721831815

素因数分解:

$3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{113}}^1\times {\mathrm{13009}}^1$

素因数の和:13184

約数の個数: 64

約数和(自身を含む): 27337236480

約数和(自身を除く): 11615404665

約数列:

[1, 3, 5, 15, 23, 31, 69, 93, 113, 115, 155, 339, 345, 465, 565, 713, 1695, 2139, 2599, 3503, 3565, 7797, 10509, 10695, 12995, 13009, 17515, 38985, 39027, 52545, 65045, 80569, 195135, 241707, 299207, 402845, 403279, 897621, 1208535, 1209837, 1470017, 1496035, 2016395, 4410051, 4488105, 6049185, 7350085, 9275417, 22050255, 27826251, 33810391, 45570527, 46377085, 101431173, 136711581, 139131255, 169051955, 227852635, 507155865, 683557905, 1048122121, 3144366363, 5240610605, 15721831815]

約数ペア:

[(1, 15721831815), (3, 5240610605), (5, 3144366363), (15, 1048122121), (23, 683557905), (31, 507155865), (69, 227852635), (93, 169051955), (113, 139131255), (115, 136711581), (155, 101431173), (339, 46377085), (345, 45570527), (465, 33810391), (565, 27826251), (713, 22050255), (1695, 9275417), (2139, 7350085), (2599, 6049185), (3503, 4488105), (3565, 4410051), (7797, 2016395), (10509, 1496035), (10695, 1470017), (12995, 1209837), (13009, 1208535), (17515, 897621), (38985, 403279), (39027, 402845), (52545, 299207), (65045, 241707), (80569, 195135)]