7678377

素因数分解:

$3^2\times 7^1\times {\mathrm{307}}^1\times {\mathrm{397}}^1$

素因数の和:717

約数の個数: 24

約数和(自身を含む): 12748736

約数和(自身を除く): 5070359

約数列:

[1, 3, 7, 9, 21, 63, 307, 397, 921, 1191, 2149, 2763, 2779, 3573, 6447, 8337, 19341, 25011, 121879, 365637, 853153, 1096911, 2559459, 7678377]

約数ペア:

[(1, 7678377), (3, 2559459), (7, 1096911), (9, 853153), (21, 365637), (63, 121879), (307, 25011), (397, 19341), (921, 8337), (1191, 6447), (2149, 3573), (2763, 2779)]