87581115

素因数分解:

$3^3\times 5^1\times {\mathrm{757}}^1\times {\mathrm{857}}^1$

素因数の和:1628

約数の個数: 32

約数和(自身を含む): 156087360

約数和(自身を除く): 68506245

約数列:

[1, 3, 5, 9, 15, 27, 45, 135, 757, 857, 2271, 2571, 3785, 4285, 6813, 7713, 11355, 12855, 20439, 23139, 34065, 38565, 102195, 115695, 648749, 1946247, 3243745, 5838741, 9731235, 17516223, 29193705, 87581115]

約数ペア:

[(1, 87581115), (3, 29193705), (5, 17516223), (9, 9731235), (15, 5838741), (27, 3243745), (45, 1946247), (135, 648749), (757, 115695), (857, 102195), (2271, 38565), (2571, 34065), (3785, 23139), (4285, 20439), (6813, 12855), (7713, 11355)]