201564045

素因数分解:

$3^4\times 5^1\times {\mathrm{497689}}^1$

素因数の和:497706

約数の個数: 20

約数和(自身を含む): 361322940

約数和(自身を除く): 159758895

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 405, 497689, 1493067, 2488445, 4479201, 7465335, 13437603, 22396005, 40312809, 67188015, 201564045]

約数ペア:

[(1, 201564045), (3, 67188015), (5, 40312809), (9, 22396005), (15, 13437603), (27, 7465335), (45, 4479201), (81, 2488445), (135, 1493067), (405, 497689)]