77891025

素因数分解:

$3^1\times 5^2\times {\mathrm{17}}^1\times {\mathrm{61091}}^1$

素因数の和:61121

約数の個数: 24

約数和(自身を含む): 136357344

約数和(自身を除く): 58466319

約数列:

[1, 3, 5, 15, 17, 25, 51, 75, 85, 255, 425, 1275, 61091, 183273, 305455, 916365, 1038547, 1527275, 3115641, 4581825, 5192735, 15578205, 25963675, 77891025]

約数ペア:

[(1, 77891025), (3, 25963675), (5, 15578205), (15, 5192735), (17, 4581825), (25, 3115641), (51, 1527275), (75, 1038547), (85, 916365), (255, 305455), (425, 183273), (1275, 61091)]