28480749

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{20071}}^1$

素因数の和:20128

約数の個数: 16

約数和(自身を含む): 42392064

約数和(自身を除く): 13911315

約数列:

[1, 3, 11, 33, 43, 129, 473, 1419, 20071, 60213, 220781, 662343, 863053, 2589159, 9493583, 28480749]

約数ペア:

[(1, 28480749), (3, 9493583), (11, 2589159), (33, 863053), (43, 662343), (129, 220781), (473, 60213), (1419, 20071)]