90681579

素因数分解:

$3^3\times {\mathrm{29}}^1\times {\mathrm{179}}^1\times {\mathrm{647}}^1$

素因数の和:864

約数の個数: 32

約数和(自身を含む): 139968000

約数和(自身を除く): 49286421

約数列:

[1, 3, 9, 27, 29, 87, 179, 261, 537, 647, 783, 1611, 1941, 4833, 5191, 5823, 15573, 17469, 18763, 46719, 56289, 115813, 140157, 168867, 347439, 506601, 1042317, 3126951, 3358577, 10075731, 30227193, 90681579]

約数ペア:

[(1, 90681579), (3, 30227193), (9, 10075731), (27, 3358577), (29, 3126951), (87, 1042317), (179, 506601), (261, 347439), (537, 168867), (647, 140157), (783, 115813), (1611, 56289), (1941, 46719), (4833, 18763), (5191, 17469), (5823, 15573)]