641623257

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{163}}^1\times {\mathrm{39761}}^1$

素因数の和:39941

約数の個数: 24

約数和(自身を含む): 1017271008

約数和(自身を除く): 375647751

約数列:

[1, 3, 9, 11, 33, 99, 163, 489, 1467, 1793, 5379, 16137, 39761, 119283, 357849, 437371, 1312113, 3936339, 6481043, 19443129, 58329387, 71291473, 213874419, 641623257]

約数ペア:

[(1, 641623257), (3, 213874419), (9, 71291473), (11, 58329387), (33, 19443129), (99, 6481043), (163, 3936339), (489, 1312113), (1467, 437371), (1793, 357849), (5379, 119283), (16137, 39761)]