31407481

素因数分解:

$7^4\times {\mathrm{103}}^1\times {\mathrm{127}}^1$

素因数の和:258

約数の個数: 20

約数和(自身を含む): 37286912

約数和(自身を除く): 5879431

約数列:

[1, 7, 49, 103, 127, 343, 721, 889, 2401, 5047, 6223, 13081, 35329, 43561, 91567, 247303, 304927, 640969, 4486783, 31407481]

約数ペア:

[(1, 31407481), (7, 4486783), (49, 640969), (103, 304927), (127, 247303), (343, 91567), (721, 43561), (889, 35329), (2401, 13081), (5047, 6223)]