28017843

素因数分解:

$3^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{107}}^1\times {\mathrm{337}}^1$

素因数の和:491

約数の個数: 32

約数和(自身を含む): 44388864

約数和(自身を除く): 16371021

約数列:

[1, 3, 7, 21, 37, 107, 111, 259, 321, 337, 749, 777, 1011, 2247, 2359, 3959, 7077, 11877, 12469, 27713, 36059, 37407, 83139, 87283, 108177, 252413, 261849, 757239, 1334183, 4002549, 9339281, 28017843]

約数ペア:

[(1, 28017843), (3, 9339281), (7, 4002549), (21, 1334183), (37, 757239), (107, 261849), (111, 252413), (259, 108177), (321, 87283), (337, 83139), (749, 37407), (777, 36059), (1011, 27713), (2247, 12469), (2359, 11877), (3959, 7077)]