28316535

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{145213}}^1$

素因数の和:145234

約数の個数: 16

約数和(自身を含む): 48791904

約数和(自身を除く): 20475369

約数列:

[1, 3, 5, 13, 15, 39, 65, 195, 145213, 435639, 726065, 1887769, 2178195, 5663307, 9438845, 28316535]

約数ペア:

[(1, 28316535), (3, 9438845), (5, 5663307), (13, 2178195), (15, 1887769), (39, 726065), (65, 435639), (195, 145213)]