890241405

素因数分解:

$3^1\times 5^1\times {\mathrm{41}}^1\times {\mathrm{1123}}^1\times {\mathrm{1289}}^1$

素因数の和:2461

約数の個数: 32

約数和(自身を含む): 1461559680

約数和(自身を除く): 571318275

約数列:

[1, 3, 5, 15, 41, 123, 205, 615, 1123, 1289, 3369, 3867, 5615, 6445, 16845, 19335, 46043, 52849, 138129, 158547, 230215, 264245, 690645, 792735, 1447547, 4342641, 7237735, 21713205, 59349427, 178048281, 296747135, 890241405]

約数ペア:

[(1, 890241405), (3, 296747135), (5, 178048281), (15, 59349427), (41, 21713205), (123, 7237735), (205, 4342641), (615, 1447547), (1123, 792735), (1289, 690645), (3369, 264245), (3867, 230215), (5615, 158547), (6445, 138129), (16845, 52849), (19335, 46043)]