131216799

素因数分解:

$3^1\times 7^1\times {\mathrm{313}}^1\times {\mathrm{19963}}^1$

素因数の和:20286

約数の個数: 16

約数和(自身を含む): 200598272

約数和(自身を除く): 69381473

約数列:

[1, 3, 7, 21, 313, 939, 2191, 6573, 19963, 59889, 139741, 419223, 6248419, 18745257, 43738933, 131216799]

約数ペア:

[(1, 131216799), (3, 43738933), (7, 18745257), (21, 6248419), (313, 419223), (939, 139741), (2191, 59889), (6573, 19963)]