561275

素因数分解:

$5^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{157}}^1$

素因数の和:191

約数の個数: 24

約数和(自身を含む): 822864

約数和(自身を除く): 261589

約数列:

[1, 5, 11, 13, 25, 55, 65, 143, 157, 275, 325, 715, 785, 1727, 2041, 3575, 3925, 8635, 10205, 22451, 43175, 51025, 112255, 561275]

約数ペア:

[(1, 561275), (5, 112255), (11, 51025), (13, 43175), (25, 22451), (55, 10205), (65, 8635), (143, 3925), (157, 3575), (275, 2041), (325, 1727), (715, 785)]