15990705

素因数分解:

$3^2\times 5^1\times {\mathrm{269}}^1\times {\mathrm{1321}}^1$

素因数の和:1601

約数の個数: 24

約数和(自身を含む): 27841320

約数和(自身を除く): 11850615

約数列:

[1, 3, 5, 9, 15, 45, 269, 807, 1321, 1345, 2421, 3963, 4035, 6605, 11889, 12105, 19815, 59445, 355349, 1066047, 1776745, 3198141, 5330235, 15990705]

約数ペア:

[(1, 15990705), (3, 5330235), (5, 3198141), (9, 1776745), (15, 1066047), (45, 355349), (269, 59445), (807, 19815), (1321, 12105), (1345, 11889), (2421, 6605), (3963, 4035)]