28147929

素因数分解:

$3^1\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{53}}^1\times {\mathrm{179}}^1$

素因数の和:301

約数の個数: 32

約数和(自身を含む): 41057280

約数和(自身を除く): 12909351

約数列:

[1, 3, 23, 43, 53, 69, 129, 159, 179, 537, 989, 1219, 2279, 2967, 3657, 4117, 6837, 7697, 9487, 12351, 23091, 28461, 52417, 157251, 177031, 218201, 407941, 531093, 654603, 1223823, 9382643, 28147929]

約数ペア:

[(1, 28147929), (3, 9382643), (23, 1223823), (43, 654603), (53, 531093), (69, 407941), (129, 218201), (159, 177031), (179, 157251), (537, 52417), (989, 28461), (1219, 23091), (2279, 12351), (2967, 9487), (3657, 7697), (4117, 6837)]