13128825

素因数分解:

$3^1\times 5^2\times {\mathrm{193}}^1\times {\mathrm{907}}^1$

素因数の和:1113

約数の個数: 24

約数和(自身を含む): 21842848

約数和(自身を除く): 8714023

約数列:

[1, 3, 5, 15, 25, 75, 193, 579, 907, 965, 2721, 2895, 4535, 4825, 13605, 14475, 22675, 68025, 175051, 525153, 875255, 2625765, 4376275, 13128825]

約数ペア:

[(1, 13128825), (3, 4376275), (5, 2625765), (15, 875255), (25, 525153), (75, 175051), (193, 68025), (579, 22675), (907, 14475), (965, 13605), (2721, 4825), (2895, 4535)]