7890777

素因数分解:

$3^4\times {\mathrm{61}}^1\times {\mathrm{1597}}^1$

素因数の和:1670

約数の個数: 20

約数和(自身を含む): 11988196

約数和(自身を除く): 4097419

約数列:

[1, 3, 9, 27, 61, 81, 183, 549, 1597, 1647, 4791, 4941, 14373, 43119, 97417, 129357, 292251, 876753, 2630259, 7890777]

約数ペア:

[(1, 7890777), (3, 2630259), (9, 876753), (27, 292251), (61, 129357), (81, 97417), (183, 43119), (549, 14373), (1597, 4941), (1647, 4791)]