2015157081

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{691}}^1\times {\mathrm{7309}}^1$

素因数の和:8029

約数の個数: 32

約数和(自身を含む): 3237452800

約数和(自身を除く): 1222295719

約数列:

[1, 3, 7, 19, 21, 57, 133, 399, 691, 2073, 4837, 7309, 13129, 14511, 21927, 39387, 51163, 91903, 138871, 153489, 275709, 416613, 972097, 2916291, 5050519, 15151557, 35353633, 95959861, 106060899, 287879583, 671719027, 2015157081]

約数ペア:

[(1, 2015157081), (3, 671719027), (7, 287879583), (19, 106060899), (21, 95959861), (57, 35353633), (133, 15151557), (399, 5050519), (691, 2916291), (2073, 972097), (4837, 416613), (7309, 275709), (13129, 153489), (14511, 138871), (21927, 91903), (39387, 51163)]