858370221

素因数分解:

$3^2\times {\mathrm{151}}^1\times {\mathrm{631619}}^1$

素因数の和:631776

約数の個数: 12

約数和(自身を含む): 1248081120

約数和(自身を除く): 389710899

約数列:

[1, 3, 9, 151, 453, 1359, 631619, 1894857, 5684571, 95374469, 286123407, 858370221]

約数ペア:

[(1, 858370221), (3, 286123407), (9, 95374469), (151, 5684571), (453, 1894857), (1359, 631619)]