125001

素因数分解:

$3^2\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1$

素因数の和:85

約数の個数: 24

約数和(自身を含む): 205920

約数和(自身を除く): 80919

約数列:

[1, 3, 9, 17, 19, 43, 51, 57, 129, 153, 171, 323, 387, 731, 817, 969, 2193, 2451, 2907, 6579, 7353, 13889, 41667, 125001]

約数ペア:

[(1, 125001), (3, 41667), (9, 13889), (17, 7353), (19, 6579), (43, 2907), (51, 2451), (57, 2193), (129, 969), (153, 817), (171, 731), (323, 387)]