90205521

素因数分解:

$3^1\times 7^2\times {\mathrm{19}}^1\times {\mathrm{32297}}^1$

素因数の和:32333

約数の個数: 24

約数和(自身を含む): 147278880

約数和(自身を除く): 57073359

約数列:

[1, 3, 7, 19, 21, 49, 57, 133, 147, 399, 931, 2793, 32297, 96891, 226079, 613643, 678237, 1582553, 1840929, 4295501, 4747659, 12886503, 30068507, 90205521]

約数ペア:

[(1, 90205521), (3, 30068507), (7, 12886503), (19, 4747659), (21, 4295501), (49, 1840929), (57, 1582553), (133, 678237), (147, 613643), (399, 226079), (931, 96891), (2793, 32297)]