8681985

素因数分解:

$3^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{97}}^1$

素因数の和:144

約数の個数: 80

約数和(自身を含む): 17929296

約数和(自身を除く): 9247311

約数列:

[1, 3, 5, 9, 13, 15, 17, 27, 39, 45, 51, 65, 81, 85, 97, 117, 135, 153, 195, 221, 255, 291, 351, 405, 459, 485, 585, 663, 765, 873, 1053, 1105, 1261, 1377, 1455, 1649, 1755, 1989, 2295, 2619, 3315, 3783, 4365, 4947, 5265, 5967, 6305, 6885, 7857, 8245, 9945, 11349, 13095, 14841, 17901, 18915, 21437, 24735, 29835, 34047, 39285, 44523, 56745, 64311, 74205, 89505, 102141, 107185, 133569, 170235, 192933, 222615, 321555, 510705, 578799, 667845, 964665, 1736397, 2893995, 8681985]

約数ペア:

[(1, 8681985), (3, 2893995), (5, 1736397), (9, 964665), (13, 667845), (15, 578799), (17, 510705), (27, 321555), (39, 222615), (45, 192933), (51, 170235), (65, 133569), (81, 107185), (85, 102141), (97, 89505), (117, 74205), (135, 64311), (153, 56745), (195, 44523), (221, 39285), (255, 34047), (291, 29835), (351, 24735), (405, 21437), (459, 18915), (485, 17901), (585, 14841), (663, 13095), (765, 11349), (873, 9945), (1053, 8245), (1105, 7857), (1261, 6885), (1377, 6305), (1455, 5967), (1649, 5265), (1755, 4947), (1989, 4365), (2295, 3783), (2619, 3315)]