81592371

素因数分解:

$3^2\times 7^1\times {\mathrm{43}}^1\times {\mathrm{30119}}^1$

素因数の和:30175

約数の個数: 24

約数和(自身を含む): 137829120

約数和(自身を除く): 56236749

約数列:

[1, 3, 7, 9, 21, 43, 63, 129, 301, 387, 903, 2709, 30119, 90357, 210833, 271071, 632499, 1295117, 1897497, 3885351, 9065819, 11656053, 27197457, 81592371]

約数ペア:

[(1, 81592371), (3, 27197457), (7, 11656053), (9, 9065819), (21, 3885351), (43, 1897497), (63, 1295117), (129, 632499), (301, 271071), (387, 210833), (903, 90357), (2709, 30119)]