28680201

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{271}}^1\times {\mathrm{1069}}^1$

素因数の和:1357

約数の個数: 24

約数和(自身を含む): 45402240

約数和(自身を除く): 16722039

約数列:

[1, 3, 9, 11, 33, 99, 271, 813, 1069, 2439, 2981, 3207, 8943, 9621, 11759, 26829, 35277, 105831, 289699, 869097, 2607291, 3186689, 9560067, 28680201]

約数ペア:

[(1, 28680201), (3, 9560067), (9, 3186689), (11, 2607291), (33, 869097), (99, 289699), (271, 105831), (813, 35277), (1069, 26829), (2439, 11759), (2981, 9621), (3207, 8943)]