1999728717

素因数分解:

$3^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{130267}}^1$

素因数の和:130337

約数の個数: 32

約数和(自身を含む): 3301512192

約数和(自身を除く): 1301783475

約数列:

[1, 3, 7, 17, 21, 43, 51, 119, 129, 301, 357, 731, 903, 2193, 5117, 15351, 130267, 390801, 911869, 2214539, 2735607, 5601481, 6643617, 15501773, 16804443, 39210367, 46505319, 95225177, 117631101, 285675531, 666576239, 1999728717]

約数ペア:

[(1, 1999728717), (3, 666576239), (7, 285675531), (17, 117631101), (21, 95225177), (43, 46505319), (51, 39210367), (119, 16804443), (129, 15501773), (301, 6643617), (357, 5601481), (731, 2735607), (903, 2214539), (2193, 911869), (5117, 390801), (15351, 130267)]