31509153

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{6263}}^1$

素因数の和:6325

約数の個数: 24

約数和(自身を含む): 50162112

約数和(自身を除く): 18652959

約数列:

[1, 3, 9, 13, 39, 43, 117, 129, 387, 559, 1677, 5031, 6263, 18789, 56367, 81419, 244257, 269309, 732771, 807927, 2423781, 3501017, 10503051, 31509153]

約数ペア:

[(1, 31509153), (3, 10503051), (9, 3501017), (13, 2423781), (39, 807927), (43, 732771), (117, 269309), (129, 244257), (387, 81419), (559, 56367), (1677, 18789), (5031, 6263)]