28179405

素因数分解:

$3^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{14563}}^1$

素因数の和:14617

約数の個数: 24

約数和(自身を含む): 49983648

約数和(自身を除く): 21804243

約数列:

[1, 3, 5, 9, 15, 43, 45, 129, 215, 387, 645, 1935, 14563, 43689, 72815, 131067, 218445, 626209, 655335, 1878627, 3131045, 5635881, 9393135, 28179405]

約数ペア:

[(1, 28179405), (3, 9393135), (5, 5635881), (9, 3131045), (15, 1878627), (43, 655335), (45, 626209), (129, 218445), (215, 131067), (387, 72815), (645, 43689), (1935, 14563)]