25875891

素因数分解:

$3^2\times {\mathrm{19}}^1\times {\mathrm{389}}^2$

素因数の和:803

約数の個数: 18

約数和(自身を含む): 39444860

約数和(自身を除く): 13568969

約数列:

[1, 3, 9, 19, 57, 171, 389, 1167, 3501, 7391, 22173, 66519, 151321, 453963, 1361889, 2875099, 8625297, 25875891]

約数ペア:

[(1, 25875891), (3, 8625297), (9, 2875099), (19, 1361889), (57, 453963), (171, 151321), (389, 66519), (1167, 22173), (3501, 7391)]