81149886

素因数分解:

$2^1\times 3^2\times {\mathrm{61}}^1\times {\mathrm{73907}}^1$

素因数の和:73976

約数の個数: 24

約数和(自身を含む): 178709544

約数和(自身を除く): 97559658

約数列:

[1, 2, 3, 6, 9, 18, 61, 122, 183, 366, 549, 1098, 73907, 147814, 221721, 443442, 665163, 1330326, 4508327, 9016654, 13524981, 27049962, 40574943, 81149886]

約数ペア:

[(1, 81149886), (2, 40574943), (3, 27049962), (6, 13524981), (9, 9016654), (18, 4508327), (61, 1330326), (122, 665163), (183, 443442), (366, 221721), (549, 147814), (1098, 73907)]