7900905

素因数分解:

$3^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{41}}^1\times {\mathrm{443}}^1$

素因数の和:521

約数の個数: 32

約数和(自身を含む): 13426560

約数和(自身を除く): 5525655

約数列:

[1, 3, 5, 15, 29, 41, 87, 123, 145, 205, 435, 443, 615, 1189, 1329, 2215, 3567, 5945, 6645, 12847, 17835, 18163, 38541, 54489, 64235, 90815, 192705, 272445, 526727, 1580181, 2633635, 7900905]

約数ペア:

[(1, 7900905), (3, 2633635), (5, 1580181), (15, 526727), (29, 272445), (41, 192705), (87, 90815), (123, 64235), (145, 54489), (205, 38541), (435, 18163), (443, 17835), (615, 12847), (1189, 6645), (1329, 5945), (2215, 3567)]