8976981

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{53}}^1\times {\mathrm{101}}^1$

素因数の和:213

約数の個数: 32

約数和(自身を含む): 13571712

約数和(自身を除く): 4594731

約数列:

[1, 3, 13, 39, 43, 53, 101, 129, 159, 303, 559, 689, 1313, 1677, 2067, 2279, 3939, 4343, 5353, 6837, 13029, 16059, 29627, 56459, 69589, 88881, 169377, 208767, 230179, 690537, 2992327, 8976981]

約数ペア:

[(1, 8976981), (3, 2992327), (13, 690537), (39, 230179), (43, 208767), (53, 169377), (101, 88881), (129, 69589), (159, 56459), (303, 29627), (559, 16059), (689, 13029), (1313, 6837), (1677, 5353), (2067, 4343), (2279, 3939)]