78847671

素因数分解:

$3^1\times 7^1\times {\mathrm{113}}^1\times {\mathrm{149}}^1\times {\mathrm{223}}^1$

素因数の和:495

約数の個数: 32

約数和(自身を含む): 122572800

約数和(自身を除く): 43725129

約数列:

[1, 3, 7, 21, 113, 149, 223, 339, 447, 669, 791, 1043, 1561, 2373, 3129, 4683, 16837, 25199, 33227, 50511, 75597, 99681, 117859, 176393, 232589, 353577, 529179, 697767, 3754651, 11263953, 26282557, 78847671]

約数ペア:

[(1, 78847671), (3, 26282557), (7, 11263953), (21, 3754651), (113, 697767), (149, 529179), (223, 353577), (339, 232589), (447, 176393), (669, 117859), (791, 99681), (1043, 75597), (1561, 50511), (2373, 33227), (3129, 25199), (4683, 16837)]