12480885

素因数分解:

$3^4\times 5^1\times {\mathrm{30817}}^1$

素因数の和:30834

約数の個数: 20

約数和(自身を含む): 22373868

約数和(自身を除く): 9892983

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 405, 30817, 92451, 154085, 277353, 462255, 832059, 1386765, 2496177, 4160295, 12480885]

約数ペア:

[(1, 12480885), (3, 4160295), (5, 2496177), (9, 1386765), (15, 832059), (27, 462255), (45, 277353), (81, 154085), (135, 92451), (405, 30817)]