2090421

素因数分解:

$3^3\times {\mathrm{139}}^1\times {\mathrm{557}}^1$

素因数の和:705

約数の個数: 16

約数和(自身を含む): 3124800

約数和(自身を除く): 1034379

約数列:

[1, 3, 9, 27, 139, 417, 557, 1251, 1671, 3753, 5013, 15039, 77423, 232269, 696807, 2090421]

約数ペア:

[(1, 2090421), (3, 696807), (9, 232269), (27, 77423), (139, 15039), (417, 5013), (557, 3753), (1251, 1671)]