90661815

素因数分解:

$3^3\times 5^1\times {\mathrm{521}}^1\times {\mathrm{1289}}^1$

素因数の和:1824

約数の個数: 32

約数和(自身を含む): 161611200

約数和(自身を除く): 70949385

約数列:

[1, 3, 5, 9, 15, 27, 45, 135, 521, 1289, 1563, 2605, 3867, 4689, 6445, 7815, 11601, 14067, 19335, 23445, 34803, 58005, 70335, 174015, 671569, 2014707, 3357845, 6044121, 10073535, 18132363, 30220605, 90661815]

約数ペア:

[(1, 90661815), (3, 30220605), (5, 18132363), (9, 10073535), (15, 6044121), (27, 3357845), (45, 2014707), (135, 671569), (521, 174015), (1289, 70335), (1563, 58005), (2605, 34803), (3867, 23445), (4689, 19335), (6445, 14067), (7815, 11601)]