12508005

素因数分解:

$3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{181}}^1\times {\mathrm{271}}^1$

素因数の和:477

約数の個数: 32

約数和(自身を含む): 21385728

約数和(自身を除く): 8877723

約数列:

[1, 3, 5, 15, 17, 51, 85, 181, 255, 271, 543, 813, 905, 1355, 2715, 3077, 4065, 4607, 9231, 13821, 15385, 23035, 46155, 49051, 69105, 147153, 245255, 735765, 833867, 2501601, 4169335, 12508005]

約数ペア:

[(1, 12508005), (3, 4169335), (5, 2501601), (15, 833867), (17, 735765), (51, 245255), (85, 147153), (181, 69105), (255, 49051), (271, 46155), (543, 23035), (813, 15385), (905, 13821), (1355, 9231), (2715, 4607), (3077, 4065)]