28170813

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{47}}^1\times {\mathrm{443}}^1$

素因数の和:545

約数の個数: 32

約数和(自身を含む): 42964992

約数和(自身を除く): 14794179

約数列:

[1, 3, 11, 33, 41, 47, 123, 141, 443, 451, 517, 1329, 1353, 1551, 1927, 4873, 5781, 14619, 18163, 20821, 21197, 54489, 62463, 63591, 199793, 229031, 599379, 687093, 853661, 2560983, 9390271, 28170813]

約数ペア:

[(1, 28170813), (3, 9390271), (11, 2560983), (33, 853661), (41, 687093), (47, 599379), (123, 229031), (141, 199793), (443, 63591), (451, 62463), (517, 54489), (1329, 21197), (1353, 20821), (1551, 18163), (1927, 14619), (4873, 5781)]