13305712105

素因数分解:

$5^1\times 7^2\times {\mathrm{6781}}^1\times {\mathrm{8009}}^1$

素因数の和:14809

約数の個数: 24

約数和(自身を含む): 18578746440

約数和(自身を除く): 5273034335

約数列:

[1, 5, 7, 35, 49, 245, 6781, 8009, 33905, 40045, 47467, 56063, 237335, 280315, 332269, 392441, 1661345, 1962205, 54309029, 271545145, 380163203, 1900816015, 2661142421, 13305712105]

約数ペア:

[(1, 13305712105), (5, 2661142421), (7, 1900816015), (35, 380163203), (49, 271545145), (245, 54309029), (6781, 1962205), (8009, 1661345), (33905, 392441), (40045, 332269), (47467, 280315), (56063, 237335)]