81692359

素因数分解:

$7^2\times {\mathrm{61}}^1\times {\mathrm{151}}^1\times {\mathrm{181}}^1$

素因数の和:407

約数の個数: 24

約数和(自身を含む): 97764576

約数和(自身を除く): 16072217

約数列:

[1, 7, 49, 61, 151, 181, 427, 1057, 1267, 2989, 7399, 8869, 9211, 11041, 27331, 64477, 77287, 191317, 451339, 541009, 1339219, 1667191, 11670337, 81692359]

約数ペア:

[(1, 81692359), (7, 11670337), (49, 1667191), (61, 1339219), (151, 541009), (181, 451339), (427, 191317), (1057, 77287), (1267, 64477), (2989, 27331), (7399, 11041), (8869, 9211)]