393291243

素因数分解:

$3^2\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{137}}^1\times {\mathrm{647}}^1$

素因数の和:836

約数の個数: 48

約数和(自身を含む): 627756480

約数和(自身を除く): 234465237

約数列:

[1, 3, 9, 17, 29, 51, 87, 137, 153, 261, 411, 493, 647, 1233, 1479, 1941, 2329, 3973, 4437, 5823, 6987, 10999, 11919, 18763, 20961, 32997, 35757, 56289, 67541, 88639, 98991, 168867, 202623, 265917, 318971, 607869, 797751, 956913, 1506863, 2570531, 2870739, 4520589, 7711593, 13561767, 23134779, 43699027, 131097081, 393291243]

約数ペア:

[(1, 393291243), (3, 131097081), (9, 43699027), (17, 23134779), (29, 13561767), (51, 7711593), (87, 4520589), (137, 2870739), (153, 2570531), (261, 1506863), (411, 956913), (493, 797751), (647, 607869), (1233, 318971), (1479, 265917), (1941, 202623), (2329, 168867), (3973, 98991), (4437, 88639), (5823, 67541), (6987, 56289), (10999, 35757), (11919, 32997), (18763, 20961)]