397777311

素因数分解:

$3^4\times {\mathrm{29}}^1\times {\mathrm{169339}}^1$

素因数の和:169380

約数の個数: 20

約数和(自身を含む): 614704200

約数和(自身を除く): 216926889

約数列:

[1, 3, 9, 27, 29, 81, 87, 261, 783, 2349, 169339, 508017, 1524051, 4572153, 4910831, 13716459, 14732493, 44197479, 132592437, 397777311]

約数ペア:

[(1, 397777311), (3, 132592437), (9, 44197479), (27, 14732493), (29, 13716459), (81, 4910831), (87, 4572153), (261, 1524051), (783, 508017), (2349, 169339)]