81717831

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{103}}^1\times {\mathrm{6781}}^1$

素因数の和:6903

約数の個数: 24

約数和(自身を含む): 128369696

約数和(自身を除く): 46651865

約数列:

[1, 3, 9, 13, 39, 103, 117, 309, 927, 1339, 4017, 6781, 12051, 20343, 61029, 88153, 264459, 698443, 793377, 2095329, 6285987, 9079759, 27239277, 81717831]

約数ペア:

[(1, 81717831), (3, 27239277), (9, 9079759), (13, 6285987), (39, 2095329), (103, 793377), (117, 698443), (309, 264459), (927, 88153), (1339, 61029), (4017, 20343), (6781, 12051)]