15480985

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{41}}^1\times {\mathrm{157}}^1$

素因数の和:253

約数の個数: 32

約数和(自身を含む): 21182112

約数和(自身を除く): 5701127

約数列:

[1, 5, 13, 37, 41, 65, 157, 185, 205, 481, 533, 785, 1517, 2041, 2405, 2665, 5809, 6437, 7585, 10205, 19721, 29045, 32185, 75517, 83681, 98605, 238169, 377585, 418405, 1190845, 3096197, 15480985]

約数ペア:

[(1, 15480985), (5, 3096197), (13, 1190845), (37, 418405), (41, 377585), (65, 238169), (157, 98605), (185, 83681), (205, 75517), (481, 32185), (533, 29045), (785, 19721), (1517, 10205), (2041, 7585), (2405, 6437), (2665, 5809)]