51628347

素因数分解:

$3^4\times {\mathrm{97}}^1\times {\mathrm{6571}}^1$

素因数の和:6680

約数の個数: 20

約数和(自身を含む): 77930776

約数和(自身を除く): 26302429

約数列:

[1, 3, 9, 27, 81, 97, 291, 873, 2619, 6571, 7857, 19713, 59139, 177417, 532251, 637387, 1912161, 5736483, 17209449, 51628347]

約数ペア:

[(1, 51628347), (3, 17209449), (9, 5736483), (27, 1912161), (81, 637387), (97, 532251), (291, 177417), (873, 59139), (2619, 19713), (6571, 7857)]