12804915

素因数分解:

$3^1\times 5^1\times {\mathrm{41}}^1\times {\mathrm{47}}^1\times {\mathrm{443}}^1$

素因数の和:539

約数の個数: 32

約数和(自身を含む): 21482496

約数和(自身を除く): 8677581

約数列:

[1, 3, 5, 15, 41, 47, 123, 141, 205, 235, 443, 615, 705, 1329, 1927, 2215, 5781, 6645, 9635, 18163, 20821, 28905, 54489, 62463, 90815, 104105, 272445, 312315, 853661, 2560983, 4268305, 12804915]

約数ペア:

[(1, 12804915), (3, 4268305), (5, 2560983), (15, 853661), (41, 312315), (47, 272445), (123, 104105), (141, 90815), (205, 62463), (235, 54489), (443, 28905), (615, 20821), (705, 18163), (1329, 9635), (1927, 6645), (2215, 5781)]