2040528021

素因数分解:

$3^1\times 7^2\times {\mathrm{13881143}}^1$

素因数の和:13881160

約数の個数: 12

約数和(自身を含む): 3164900832

約数和(自身を除く): 1124372811

約数列:

[1, 3, 7, 21, 49, 147, 13881143, 41643429, 97168001, 291504003, 680176007, 2040528021]

約数ペア:

[(1, 2040528021), (3, 680176007), (7, 291504003), (21, 97168001), (49, 41643429), (147, 13881143)]