172920175

素因数分解:

$5^2\times {\mathrm{17}}^1\times {\mathrm{251}}^1\times {\mathrm{1621}}^1$

素因数の和:1899

約数の個数: 24

約数和(自身を含む): 228079152

約数和(自身を除く): 55158977

約数列:

[1, 5, 17, 25, 85, 251, 425, 1255, 1621, 4267, 6275, 8105, 21335, 27557, 40525, 106675, 137785, 406871, 688925, 2034355, 6916807, 10171775, 34584035, 172920175]

約数ペア:

[(1, 172920175), (5, 34584035), (17, 10171775), (25, 6916807), (85, 2034355), (251, 688925), (425, 406871), (1255, 137785), (1621, 106675), (4267, 40525), (6275, 27557), (8105, 21335)]