13130481

素因数分解:

$3^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{6871}}^1$

素因数の和:6901

約数の個数: 24

約数和(自身を含む): 21935424

約数和(自身を除く): 8804943

約数列:

[1, 3, 7, 13, 21, 39, 49, 91, 147, 273, 637, 1911, 6871, 20613, 48097, 89323, 144291, 267969, 336679, 625261, 1010037, 1875783, 4376827, 13130481]

約数ペア:

[(1, 13130481), (3, 4376827), (7, 1875783), (13, 1010037), (21, 625261), (39, 336679), (49, 267969), (91, 144291), (147, 89323), (273, 48097), (637, 20613), (1911, 6871)]