1681295

素因数分解:

$5^1\times 7^1\times {\mathrm{11}}^2\times {\mathrm{397}}^1$

素因数の和:431

約数の個数: 24

約数和(自身を含む): 2540832

約数和(自身を除く): 859537

約数列:

[1, 5, 7, 11, 35, 55, 77, 121, 385, 397, 605, 847, 1985, 2779, 4235, 4367, 13895, 21835, 30569, 48037, 152845, 240185, 336259, 1681295]

約数ペア:

[(1, 1681295), (5, 336259), (7, 240185), (11, 152845), (35, 48037), (55, 30569), (77, 21835), (121, 13895), (385, 4367), (397, 4235), (605, 2779), (847, 1985)]