128833335

素因数分解:

$3^4\times 5^1\times {\mathrm{318107}}^1$

素因数の和:318124

約数の個数: 20

約数和(自身を含む): 230946408

約数和(自身を除く): 102113073

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 405, 318107, 954321, 1590535, 2862963, 4771605, 8588889, 14314815, 25766667, 42944445, 128833335]

約数ペア:

[(1, 128833335), (3, 42944445), (5, 25766667), (9, 14314815), (15, 8588889), (27, 4771605), (45, 2862963), (81, 1590535), (135, 954321), (405, 318107)]