3871075

素因数分解:

$5^2\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{277}}^1$

素因数の和:343

約数の個数: 24

約数和(自身を含む): 5308688

約数和(自身を除く): 1437613

約数列:

[1, 5, 13, 25, 43, 65, 215, 277, 325, 559, 1075, 1385, 2795, 3601, 6925, 11911, 13975, 18005, 59555, 90025, 154843, 297775, 774215, 3871075]

約数ペア:

[(1, 3871075), (5, 774215), (13, 297775), (25, 154843), (43, 90025), (65, 59555), (215, 18005), (277, 13975), (325, 11911), (559, 6925), (1075, 3601), (1385, 2795)]