12999225

素因数分解:

$3^1\times 5^2\times {\mathrm{353}}^1\times {\mathrm{491}}^1$

素因数の和:857

約数の個数: 24

約数和(自身を含む): 21596832

約数和(自身を除く): 8597607

約数列:

[1, 3, 5, 15, 25, 75, 353, 491, 1059, 1473, 1765, 2455, 5295, 7365, 8825, 12275, 26475, 36825, 173323, 519969, 866615, 2599845, 4333075, 12999225]

約数ペア:

[(1, 12999225), (3, 4333075), (5, 2599845), (15, 866615), (25, 519969), (75, 173323), (353, 36825), (491, 26475), (1059, 12275), (1473, 8825), (1765, 7365), (2455, 5295)]