65220795

素因数分解:

$3^4\times 5^1\times {\mathrm{161039}}^1$

素因数の和:161056

約数の個数: 20

約数和(自身を含む): 116915040

約数和(自身を除く): 51694245

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 405, 161039, 483117, 805195, 1449351, 2415585, 4348053, 7246755, 13044159, 21740265, 65220795]

約数ペア:

[(1, 65220795), (3, 21740265), (5, 13044159), (9, 7246755), (15, 4348053), (27, 2415585), (45, 1449351), (81, 805195), (135, 483117), (405, 161039)]