81118257

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{73}}^1\times {\mathrm{151}}^1\times {\mathrm{223}}^1$

素因数の和:461

約数の個数: 32

約数和(自身を含む): 120938496

約数和(自身を除く): 39820239

約数列:

[1, 3, 11, 33, 73, 151, 219, 223, 453, 669, 803, 1661, 2409, 2453, 4983, 7359, 11023, 16279, 33069, 33673, 48837, 101019, 121253, 179069, 363759, 370403, 537207, 1111209, 2458129, 7374387, 27039419, 81118257]

約数ペア:

[(1, 81118257), (3, 27039419), (11, 7374387), (33, 2458129), (73, 1111209), (151, 537207), (219, 370403), (223, 363759), (453, 179069), (669, 121253), (803, 101019), (1661, 48837), (2409, 33673), (2453, 33069), (4983, 16279), (7359, 11023)]