3891951

素因数分解:

$3^2\times 7^1\times {\mathrm{163}}^1\times {\mathrm{379}}^1$

素因数の和:555

約数の個数: 24

約数和(自身を含む): 6481280

約数和(自身を除く): 2589329

約数列:

[1, 3, 7, 9, 21, 63, 163, 379, 489, 1137, 1141, 1467, 2653, 3411, 3423, 7959, 10269, 23877, 61777, 185331, 432439, 555993, 1297317, 3891951]

約数ペア:

[(1, 3891951), (3, 1297317), (7, 555993), (9, 432439), (21, 185331), (63, 61777), (163, 23877), (379, 10269), (489, 7959), (1137, 3423), (1141, 3411), (1467, 2653)]