56139681

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{197}}^1\times {\mathrm{7307}}^1$

素因数の和:7520

約数の個数: 16

約数和(自身を含む): 81031104

約数和(自身を除く): 24891423

約数列:

[1, 3, 13, 39, 197, 591, 2561, 7307, 7683, 21921, 94991, 284973, 1439479, 4318437, 18713227, 56139681]

約数ペア:

[(1, 56139681), (3, 18713227), (13, 4318437), (39, 1439479), (197, 284973), (591, 94991), (2561, 21921), (7307, 7683)]