261738405

素因数分解:

$3^3\times 5^1\times {\mathrm{1938803}}^1$

素因数の和:1938817

約数の個数: 16

約数和(自身を含む): 465312960

約数和(自身を除く): 203574555

約数列:

[1, 3, 5, 9, 15, 27, 45, 135, 1938803, 5816409, 9694015, 17449227, 29082045, 52347681, 87246135, 261738405]

約数ペア:

[(1, 261738405), (3, 87246135), (5, 52347681), (9, 29082045), (15, 17449227), (27, 9694015), (45, 5816409), (135, 1938803)]