168025

素因数分解:

$5^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{47}}^1$

素因数の和:81

約数の個数: 24

約数和(自身を含む): 249984

約数和(自身を除く): 81959

約数列:

[1, 5, 11, 13, 25, 47, 55, 65, 143, 235, 275, 325, 517, 611, 715, 1175, 2585, 3055, 3575, 6721, 12925, 15275, 33605, 168025]

約数ペア:

[(1, 168025), (5, 33605), (11, 15275), (13, 12925), (25, 6721), (47, 3575), (55, 3055), (65, 2585), (143, 1175), (235, 715), (275, 611), (325, 517)]