128556075

素因数分解:

$3^1\times 5^2\times {\mathrm{491}}^1\times {\mathrm{3491}}^1$

素因数の和:3995

約数の個数: 24

約数和(自身を含む): 213039936

約数和(自身を除く): 84483861

約数列:

[1, 3, 5, 15, 25, 75, 491, 1473, 2455, 3491, 7365, 10473, 12275, 17455, 36825, 52365, 87275, 261825, 1714081, 5142243, 8570405, 25711215, 42852025, 128556075]

約数ペア:

[(1, 128556075), (3, 42852025), (5, 25711215), (15, 8570405), (25, 5142243), (75, 1714081), (491, 261825), (1473, 87275), (2455, 52365), (3491, 36825), (7365, 17455), (10473, 12275)]