13452803

素因数分解:

$7^4\times {\mathrm{13}}^1\times {\mathrm{431}}^1$

素因数の和:472

約数の個数: 20

約数和(自身を含む): 16940448

約数和(自身を除く): 3487645

約数列:

[1, 7, 13, 49, 91, 343, 431, 637, 2401, 3017, 4459, 5603, 21119, 31213, 39221, 147833, 274547, 1034831, 1921829, 13452803]

約数ペア:

[(1, 13452803), (7, 1921829), (13, 1034831), (49, 274547), (91, 147833), (343, 39221), (431, 31213), (637, 21119), (2401, 5603), (3017, 4459)]