28770795

素因数分解:

$3^4\times 5^1\times {\mathrm{71039}}^1$

素因数の和:71056

約数の個数: 20

約数和(自身を含む): 51575040

約数和(自身を除く): 22804245

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 405, 71039, 213117, 355195, 639351, 1065585, 1918053, 3196755, 5754159, 9590265, 28770795]

約数ペア:

[(1, 28770795), (3, 9590265), (5, 5754159), (9, 3196755), (15, 1918053), (27, 1065585), (45, 639351), (81, 355195), (135, 213117), (405, 71039)]