12989913

素因数分解:

$3^1\times {\mathrm{43}}^1\times {\mathrm{101}}^1\times {\mathrm{997}}^1$

素因数の和:1144

約数の個数: 16

約数和(自身を含む): 17916096

約数和(自身を除く): 4926183

約数列:

[1, 3, 43, 101, 129, 303, 997, 2991, 4343, 13029, 42871, 100697, 128613, 302091, 4329971, 12989913]

約数ペア:

[(1, 12989913), (3, 4329971), (43, 302091), (101, 128613), (129, 100697), (303, 42871), (997, 13029), (2991, 4343)]