56661639

素因数分解:

$3^1\times {\mathrm{103}}^1\times {\mathrm{233}}^1\times {\mathrm{787}}^1$

素因数の和:1126

約数の個数: 16

約数和(自身を含む): 76707072

約数和(自身を除く): 20045433

約数列:

[1, 3, 103, 233, 309, 699, 787, 2361, 23999, 71997, 81061, 183371, 243183, 550113, 18887213, 56661639]

約数ペア:

[(1, 56661639), (3, 18887213), (103, 550113), (233, 243183), (309, 183371), (699, 81061), (787, 71997), (2361, 23999)]