2181142221

素因数分解:

$3^1\times {\mathrm{19}}^1\times {\mathrm{1697}}^1\times {\mathrm{22549}}^1$

素因数の和:24268

約数の個数: 16

約数和(自身を含む): 3063192000

約数和(自身を除く): 882049779

約数列:

[1, 3, 19, 57, 1697, 5091, 22549, 32243, 67647, 96729, 428431, 1285293, 38265653, 114796959, 727047407, 2181142221]

約数ペア:

[(1, 2181142221), (3, 727047407), (19, 114796959), (57, 38265653), (1697, 1285293), (5091, 428431), (22549, 96729), (32243, 67647)]