28225905

素因数分解:

$3^1\times 5^1\times {\mathrm{89}}^1\times {\mathrm{21143}}^1$

素因数の和:21240

約数の個数: 16

約数和(自身を含む): 45671040

約数和(自身を除く): 17445135

約数列:

[1, 3, 5, 15, 89, 267, 445, 1335, 21143, 63429, 105715, 317145, 1881727, 5645181, 9408635, 28225905]

約数ペア:

[(1, 28225905), (3, 9408635), (5, 5645181), (15, 1881727), (89, 317145), (267, 105715), (445, 63429), (1335, 21143)]