15642275

素因数分解:

$5^2\times {\mathrm{11}}^2\times {\mathrm{5171}}^1$

素因数の和:5203

約数の個数: 18

約数和(自身を含む): 21324156

約数和(自身を除く): 5681881

約数列:

[1, 5, 11, 25, 55, 121, 275, 605, 3025, 5171, 25855, 56881, 129275, 284405, 625691, 1422025, 3128455, 15642275]

約数ペア:

[(1, 15642275), (5, 3128455), (11, 1422025), (25, 625691), (55, 284405), (121, 129275), (275, 56881), (605, 25855), (3025, 5171)]