1640331621

素因数分解:

$3^3\times {\mathrm{43}}^1\times {\mathrm{1412861}}^1$

素因数の和:1412913

約数の個数: 16

約数和(自身を含む): 2486637120

約数和(自身を除く): 846305499

約数列:

[1, 3, 9, 27, 43, 129, 387, 1161, 1412861, 4238583, 12715749, 38147247, 60753023, 182259069, 546777207, 1640331621]

約数ペア:

[(1, 1640331621), (3, 546777207), (9, 182259069), (27, 60753023), (43, 38147247), (129, 12715749), (387, 4238583), (1161, 1412861)]