77931021

素因数分解:

$3^1\times 7^2\times {\mathrm{530143}}^1$

素因数の和:530160

約数の個数: 12

約数和(自身を含む): 120872832

約数和(自身を除く): 42941811

約数列:

[1, 3, 7, 21, 49, 147, 530143, 1590429, 3711001, 11133003, 25977007, 77931021]

約数ペア:

[(1, 77931021), (3, 25977007), (7, 11133003), (21, 3711001), (49, 1590429), (147, 530143)]