28223715

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{144737}}^1$

素因数の和:144758

約数の個数: 16

約数和(自身を含む): 48631968

約数和(自身を除く): 20408253

約数列:

[1, 3, 5, 13, 15, 39, 65, 195, 144737, 434211, 723685, 1881581, 2171055, 5644743, 9407905, 28223715]

約数ペア:

[(1, 28223715), (3, 9407905), (5, 5644743), (13, 2171055), (15, 1881581), (39, 723685), (65, 434211), (195, 144737)]