404145

素因数分解:

$3^2\times 5^1\times 7^1\times {\mathrm{1283}}^1$

素因数の和:1301

約数の個数: 24

約数和(自身を含む): 801216

約数和(自身を除く): 397071

約数列:

[1, 3, 5, 7, 9, 15, 21, 35, 45, 63, 105, 315, 1283, 3849, 6415, 8981, 11547, 19245, 26943, 44905, 57735, 80829, 134715, 404145]

約数ペア:

[(1, 404145), (3, 134715), (5, 80829), (7, 57735), (9, 44905), (15, 26943), (21, 19245), (35, 11547), (45, 8981), (63, 6415), (105, 3849), (315, 1283)]