87191955

素因数分解:

$3^2\times 5^1\times {\mathrm{521}}^1\times {\mathrm{3719}}^1$

素因数の和:4251

約数の個数: 24

約数和(自身を含む): 151463520

約数和(自身を除く): 64271565

約数列:

[1, 3, 5, 9, 15, 45, 521, 1563, 2605, 3719, 4689, 7815, 11157, 18595, 23445, 33471, 55785, 167355, 1937599, 5812797, 9687995, 17438391, 29063985, 87191955]

約数ペア:

[(1, 87191955), (3, 29063985), (5, 17438391), (9, 9687995), (15, 5812797), (45, 1937599), (521, 167355), (1563, 55785), (2605, 33471), (3719, 23445), (4689, 18595), (7815, 11157)]