221551515

素因数分解:

$3^2\times 5^1\times {\mathrm{1321}}^1\times {\mathrm{3727}}^1$

素因数の和:5059

約数の個数: 24

約数和(自身を含む): 384416448

約数和(自身を除く): 162864933

約数列:

[1, 3, 5, 9, 15, 45, 1321, 3727, 3963, 6605, 11181, 11889, 18635, 19815, 33543, 55905, 59445, 167715, 4923367, 14770101, 24616835, 44310303, 73850505, 221551515]

約数ペア:

[(1, 221551515), (3, 73850505), (5, 44310303), (9, 24616835), (15, 14770101), (45, 4923367), (1321, 167715), (3727, 59445), (3963, 55905), (6605, 33543), (11181, 19815), (11889, 18635)]