28573215

素因数分解:

$3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{157}}^1\times {\mathrm{1103}}^1$

素因数の和:1279

約数の個数: 32

約数和(自身を含む): 50236416

約数和(自身を除く): 21663201

約数列:

[1, 3, 5, 11, 15, 33, 55, 157, 165, 471, 785, 1103, 1727, 2355, 3309, 5181, 5515, 8635, 12133, 16545, 25905, 36399, 60665, 173171, 181995, 519513, 865855, 1904881, 2597565, 5714643, 9524405, 28573215]

約数ペア:

[(1, 28573215), (3, 9524405), (5, 5714643), (11, 2597565), (15, 1904881), (33, 865855), (55, 519513), (157, 181995), (165, 173171), (471, 60665), (785, 36399), (1103, 25905), (1727, 16545), (2355, 12133), (3309, 8635), (5181, 5515)]