2158575

素因数分解:

$3^1\times 5^2\times {\mathrm{17}}^1\times {\mathrm{1693}}^1$

素因数の和:1723

約数の個数: 24

約数和(自身を含む): 3781008

約数和(自身を除く): 1622433

約数列:

[1, 3, 5, 15, 17, 25, 51, 75, 85, 255, 425, 1275, 1693, 5079, 8465, 25395, 28781, 42325, 86343, 126975, 143905, 431715, 719525, 2158575]

約数ペア:

[(1, 2158575), (3, 719525), (5, 431715), (15, 143905), (17, 126975), (25, 86343), (51, 42325), (75, 28781), (85, 25395), (255, 8465), (425, 5079), (1275, 1693)]