80851515

素因数分解:

$3^1\times 5^1\times {\mathrm{47}}^1\times {\mathrm{73}}^1\times {\mathrm{1571}}^1$

素因数の和:1699

約数の個数: 32

約数和(自身を含む): 134009856

約数和(自身を除く): 53158341

約数列:

[1, 3, 5, 15, 47, 73, 141, 219, 235, 365, 705, 1095, 1571, 3431, 4713, 7855, 10293, 17155, 23565, 51465, 73837, 114683, 221511, 344049, 369185, 573415, 1107555, 1720245, 5390101, 16170303, 26950505, 80851515]

約数ペア:

[(1, 80851515), (3, 26950505), (5, 16170303), (15, 5390101), (47, 1720245), (73, 1107555), (141, 573415), (219, 369185), (235, 344049), (365, 221511), (705, 114683), (1095, 73837), (1571, 51465), (3431, 23565), (4713, 17155), (7855, 10293)]