30990975

素因数分解:

$3^1\times 5^2\times {\mathrm{193}}^1\times {\mathrm{2141}}^1$

素因数の和:2347

約数の個数: 24

約数和(自身を含む): 51527952

約数和(自身を除く): 20536977

約数列:

[1, 3, 5, 15, 25, 75, 193, 579, 965, 2141, 2895, 4825, 6423, 10705, 14475, 32115, 53525, 160575, 413213, 1239639, 2066065, 6198195, 10330325, 30990975]

約数ペア:

[(1, 30990975), (3, 10330325), (5, 6198195), (15, 2066065), (25, 1239639), (75, 413213), (193, 160575), (579, 53525), (965, 32115), (2141, 14475), (2895, 10705), (4825, 6423)]