981155

素因数分解:

$5^1\times 7^1\times {\mathrm{17}}^2\times {\mathrm{97}}^1$

素因数の和:143

約数の個数: 24

約数和(自身を含む): 1444128

約数和(自身を除く): 462973

約数列:

[1, 5, 7, 17, 35, 85, 97, 119, 289, 485, 595, 679, 1445, 1649, 2023, 3395, 8245, 10115, 11543, 28033, 57715, 140165, 196231, 981155]

約数ペア:

[(1, 981155), (5, 196231), (7, 140165), (17, 57715), (35, 28033), (85, 11543), (97, 10115), (119, 8245), (289, 3395), (485, 2023), (595, 1649), (679, 1445)]