393049665

素因数分解:

$3^4\times 5^1\times {\mathrm{970493}}^1$

素因数の和:970510

約数の個数: 20

約数和(自身を含む): 704578644

約数和(自身を除く): 311528979

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 405, 970493, 2911479, 4852465, 8734437, 14557395, 26203311, 43672185, 78609933, 131016555, 393049665]

約数ペア:

[(1, 393049665), (3, 131016555), (5, 78609933), (9, 43672185), (15, 26203311), (27, 14557395), (45, 8734437), (81, 4852465), (135, 2911479), (405, 970493)]