17173215

素因数分解:

$3^4\times 5^1\times {\mathrm{42403}}^1$

素因数の和:42420

約数の個数: 20

約数和(自身を含む): 30785304

約数和(自身を除く): 13612089

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 405, 42403, 127209, 212015, 381627, 636045, 1144881, 1908135, 3434643, 5724405, 17173215]

約数ペア:

[(1, 17173215), (3, 5724405), (5, 3434643), (9, 1908135), (15, 1144881), (27, 636045), (45, 381627), (81, 212015), (135, 127209), (405, 42403)]