28695381

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{66889}}^1$

素因数の和:66916

約数の個数: 16

約数和(自身を含む): 44950080

約数和(自身を除く): 16254699

約数列:

[1, 3, 11, 13, 33, 39, 143, 429, 66889, 200667, 735779, 869557, 2207337, 2608671, 9565127, 28695381]

約数ペア:

[(1, 28695381), (3, 9565127), (11, 2608671), (13, 2207337), (33, 869557), (39, 735779), (143, 200667), (429, 66889)]