201215825

素因数分解:

$5^2\times {\mathrm{17}}^1\times {\mathrm{53}}^1\times {\mathrm{8933}}^1$

素因数の和:9013

約数の個数: 24

約数和(自身を含む): 269199288

約数和(自身を除く): 67983463

約数列:

[1, 5, 17, 25, 53, 85, 265, 425, 901, 1325, 4505, 8933, 22525, 44665, 151861, 223325, 473449, 759305, 2367245, 3796525, 8048633, 11836225, 40243165, 201215825]

約数ペア:

[(1, 201215825), (5, 40243165), (17, 11836225), (25, 8048633), (53, 3796525), (85, 2367245), (265, 759305), (425, 473449), (901, 223325), (1325, 151861), (4505, 44665), (8933, 22525)]