54020099

素因数分解:

$7^4\times {\mathrm{149}}^1\times {\mathrm{151}}^1$

素因数の和:328

約数の個数: 20

約数和(自身を含む): 63862800

約数和(自身を除く): 9842701

約数列:

[1, 7, 49, 149, 151, 343, 1043, 1057, 2401, 7301, 7399, 22499, 51107, 51793, 157493, 357749, 362551, 1102451, 7717157, 54020099]

約数ペア:

[(1, 54020099), (7, 7717157), (49, 1102451), (149, 362551), (151, 357749), (343, 157493), (1043, 51793), (1057, 51107), (2401, 22499), (7301, 7399)]