53909975

素因数分解:

$5^2\times 7^1\times {\mathrm{17}}^1\times {\mathrm{18121}}^1$

素因数の和:18155

約数の個数: 24

約数和(自身を含む): 80896608

約数和(自身を除く): 26986633

約数列:

[1, 5, 7, 17, 25, 35, 85, 119, 175, 425, 595, 2975, 18121, 90605, 126847, 308057, 453025, 634235, 1540285, 2156399, 3171175, 7701425, 10781995, 53909975]

約数ペア:

[(1, 53909975), (5, 10781995), (7, 7701425), (17, 3171175), (25, 2156399), (35, 1540285), (85, 634235), (119, 453025), (175, 308057), (425, 126847), (595, 90605), (2975, 18121)]