1406421891

素因数分解:

$3^2\times 7^1\times {\mathrm{22324157}}^1$

素因数の和:22324170

約数の個数: 12

約数和(自身を含む): 2321712432

約数和(自身を除く): 915290541

約数列:

[1, 3, 7, 9, 21, 63, 22324157, 66972471, 156269099, 200917413, 468807297, 1406421891]

約数ペア:

[(1, 1406421891), (3, 468807297), (7, 200917413), (9, 156269099), (21, 66972471), (63, 22324157)]