200620395

素因数分解:

$3^4\times 5^1\times {\mathrm{495359}}^1$

素因数の和:495376

約数の個数: 20

約数和(自身を含む): 359631360

約数和(自身を除く): 159010965

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 405, 495359, 1486077, 2476795, 4458231, 7430385, 13374693, 22291155, 40124079, 66873465, 200620395]

約数ペア:

[(1, 200620395), (3, 66873465), (5, 40124079), (9, 22291155), (15, 13374693), (27, 7430385), (45, 4458231), (81, 2476795), (135, 1486077), (405, 495359)]