9856105

素因数分解:

$5^1\times 7^4\times {\mathrm{821}}^1$

素因数の和:854

約数の個数: 20

約数和(自身を含む): 13814532

約数和(自身を除く): 3958427

約数列:

[1, 5, 7, 35, 49, 245, 343, 821, 1715, 2401, 4105, 5747, 12005, 28735, 40229, 201145, 281603, 1408015, 1971221, 9856105]

約数ペア:

[(1, 9856105), (5, 1971221), (7, 1408015), (35, 281603), (49, 201145), (245, 40229), (343, 28735), (821, 12005), (1715, 5747), (2401, 4105)]