39879225

素因数分解:

$3^2\times 5^2\times {\mathrm{421}}^2$

素因数の和:858

約数の個数: 27

約数和(自身を含む): 71598189

約数和(自身を除く): 31718964

約数列:

[1, 3, 5, 9, 15, 25, 45, 75, 225, 421, 1263, 2105, 3789, 6315, 10525, 18945, 31575, 94725, 177241, 531723, 886205, 1595169, 2658615, 4431025, 7975845, 13293075, 39879225]

約数ペア:

[(1, 39879225), (3, 13293075), (5, 7975845), (9, 4431025), (15, 2658615), (25, 1595169), (45, 886205), (75, 531723), (225, 177241), (421, 94725), (1263, 31575), (2105, 18945), (3789, 10525)]