18235125

素因数分解:

$3^4\times 5^3\times {\mathrm{1801}}^1$

素因数の和:1828

約数の個数: 40

約数和(自身を含む): 34014552

約数和(自身を除く): 15779427

約数列:

[1, 3, 5, 9, 15, 25, 27, 45, 75, 81, 125, 135, 225, 375, 405, 675, 1125, 1801, 2025, 3375, 5403, 9005, 10125, 16209, 27015, 45025, 48627, 81045, 135075, 145881, 225125, 243135, 405225, 675375, 729405, 1215675, 2026125, 3647025, 6078375, 18235125]

約数ペア:

[(1, 18235125), (3, 6078375), (5, 3647025), (9, 2026125), (15, 1215675), (25, 729405), (27, 675375), (45, 405225), (75, 243135), (81, 225125), (125, 145881), (135, 135075), (225, 81045), (375, 48627), (405, 45025), (675, 27015), (1125, 16209), (1801, 10125), (2025, 9005), (3375, 5403)]