90312921

素因数分解:

$3^3\times {\mathrm{163}}^1\times {\mathrm{20521}}^1$

素因数の和:20693

約数の個数: 16

約数和(自身を含む): 134624320

約数和(自身を除く): 44311399

約数列:

[1, 3, 9, 27, 163, 489, 1467, 4401, 20521, 61563, 184689, 554067, 3344923, 10034769, 30104307, 90312921]

約数ペア:

[(1, 90312921), (3, 30104307), (9, 10034769), (27, 3344923), (163, 554067), (489, 184689), (1467, 61563), (4401, 20521)]