858249399

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{2151001}}^1$

素因数の和:2151030

約数の個数: 16

約数和(自身を含む): 1376641280

約数和(自身を除く): 518391881

約数列:

[1, 3, 7, 19, 21, 57, 133, 399, 2151001, 6453003, 15057007, 40869019, 45171021, 122607057, 286083133, 858249399]

約数ペア:

[(1, 858249399), (3, 286083133), (7, 122607057), (19, 45171021), (21, 40869019), (57, 15057007), (133, 6453003), (399, 2151001)]