213539715

素因数分解:

$3^2\times 5^1\times {\mathrm{1009}}^1\times {\mathrm{4703}}^1$

素因数の和:5723

約数の個数: 24

約数和(自身を含む): 370581120

約数和(自身を除く): 157041405

約数列:

[1, 3, 5, 9, 15, 45, 1009, 3027, 4703, 5045, 9081, 14109, 15135, 23515, 42327, 45405, 70545, 211635, 4745327, 14235981, 23726635, 42707943, 71179905, 213539715]

約数ペア:

[(1, 213539715), (3, 71179905), (5, 42707943), (9, 23726635), (15, 14235981), (45, 4745327), (1009, 211635), (3027, 70545), (4703, 45405), (5045, 42327), (9081, 23515), (14109, 15135)]