30915717

素因数分解:

$3^1\times 7^2\times {\mathrm{19}}^1\times {\mathrm{11069}}^1$

素因数の和:11105

約数の個数: 24

約数和(自身を含む): 50479200

約数和(自身を除く): 19563483

約数列:

[1, 3, 7, 19, 21, 49, 57, 133, 147, 399, 931, 2793, 11069, 33207, 77483, 210311, 232449, 542381, 630933, 1472177, 1627143, 4416531, 10305239, 30915717]

約数ペア:

[(1, 30915717), (3, 10305239), (7, 4416531), (19, 1627143), (21, 1472177), (49, 630933), (57, 542381), (133, 232449), (147, 210311), (399, 77483), (931, 33207), (2793, 11069)]