25681995

素因数分解:

$3^3\times 5^1\times {\mathrm{281}}^1\times {\mathrm{677}}^1$

素因数の和:972

約数の個数: 32

約数和(自身を含む): 45887040

約数和(自身を除く): 20205045

約数列:

[1, 3, 5, 9, 15, 27, 45, 135, 281, 677, 843, 1405, 2031, 2529, 3385, 4215, 6093, 7587, 10155, 12645, 18279, 30465, 37935, 91395, 190237, 570711, 951185, 1712133, 2853555, 5136399, 8560665, 25681995]

約数ペア:

[(1, 25681995), (3, 8560665), (5, 5136399), (9, 2853555), (15, 1712133), (27, 951185), (45, 570711), (135, 190237), (281, 91395), (677, 37935), (843, 30465), (1405, 18279), (2031, 12645), (2529, 10155), (3385, 7587), (4215, 6093)]