80947215

素因数分解:

$3^3\times 5^1\times {\mathrm{109}}^1\times {\mathrm{5501}}^1$

素因数の和:5624

約数の個数: 32

約数和(自身を含む): 145252800

約数和(自身を除く): 64305585

約数列:

[1, 3, 5, 9, 15, 27, 45, 109, 135, 327, 545, 981, 1635, 2943, 4905, 5501, 14715, 16503, 27505, 49509, 82515, 148527, 247545, 599609, 742635, 1798827, 2998045, 5396481, 8994135, 16189443, 26982405, 80947215]

約数ペア:

[(1, 80947215), (3, 26982405), (5, 16189443), (9, 8994135), (15, 5396481), (27, 2998045), (45, 1798827), (109, 742635), (135, 599609), (327, 247545), (545, 148527), (981, 82515), (1635, 49509), (2943, 27505), (4905, 16503), (5501, 14715)]