156519909

素因数分解:

$3^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{223}}^1\times {\mathrm{857}}^1$

素因数の和:1106

約数の個数: 48

約数和(自身を含む): 279831552

約数和(自身を除く): 123311643

約数列:

[1, 3, 7, 9, 13, 21, 39, 63, 91, 117, 223, 273, 669, 819, 857, 1561, 2007, 2571, 2899, 4683, 5999, 7713, 8697, 11141, 14049, 17997, 20293, 26091, 33423, 53991, 60879, 77987, 100269, 182637, 191111, 233961, 573333, 701883, 1337777, 1719999, 2484443, 4013331, 7453329, 12039993, 17391101, 22359987, 52173303, 156519909]

約数ペア:

[(1, 156519909), (3, 52173303), (7, 22359987), (9, 17391101), (13, 12039993), (21, 7453329), (39, 4013331), (63, 2484443), (91, 1719999), (117, 1337777), (223, 701883), (273, 573333), (669, 233961), (819, 191111), (857, 182637), (1561, 100269), (2007, 77987), (2571, 60879), (2899, 53991), (4683, 33423), (5999, 26091), (7713, 20293), (8697, 17997), (11141, 14049)]