12984657

素因数分解:

$3^1\times 7^2\times {\mathrm{19}}^1\times {\mathrm{4649}}^1$

素因数の和:4685

約数の個数: 24

約数和(自身を含む): 21204000

約数和(自身を除く): 8219343

約数列:

[1, 3, 7, 19, 21, 49, 57, 133, 147, 399, 931, 2793, 4649, 13947, 32543, 88331, 97629, 227801, 264993, 618317, 683403, 1854951, 4328219, 12984657]

約数ペア:

[(1, 12984657), (3, 4328219), (7, 1854951), (19, 683403), (21, 618317), (49, 264993), (57, 227801), (133, 97629), (147, 88331), (399, 32543), (931, 13947), (2793, 4649)]