1247727

素因数分解:

$3^1\times {\mathrm{13}}^2\times {\mathrm{23}}^1\times {\mathrm{107}}^1$

素因数の和:159

約数の個数: 24

約数和(自身を含む): 1897344

約数和(自身を除く): 649617

約数列:

[1, 3, 13, 23, 39, 69, 107, 169, 299, 321, 507, 897, 1391, 2461, 3887, 4173, 7383, 11661, 18083, 31993, 54249, 95979, 415909, 1247727]

約数ペア:

[(1, 1247727), (3, 415909), (13, 95979), (23, 54249), (39, 31993), (69, 18083), (107, 11661), (169, 7383), (299, 4173), (321, 3887), (507, 2461), (897, 1391)]