3138905

素因数分解:

$5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{263}}^1$

素因数の和:317

約数の個数: 32

約数和(自身を含む): 4866048

約数和(自身を除く): 1727143

約数列:

[1, 5, 7, 11, 31, 35, 55, 77, 155, 217, 263, 341, 385, 1085, 1315, 1705, 1841, 2387, 2893, 8153, 9205, 11935, 14465, 20251, 40765, 57071, 89683, 101255, 285355, 448415, 627781, 3138905]

約数ペア:

[(1, 3138905), (5, 627781), (7, 448415), (11, 285355), (31, 101255), (35, 89683), (55, 57071), (77, 40765), (155, 20251), (217, 14465), (263, 11935), (341, 9205), (385, 8153), (1085, 2893), (1315, 2387), (1705, 1841)]