72069189

素因数分解:

$3^1\times {\mathrm{23}}^1\times {\mathrm{47}}^1\times {\mathrm{71}}^1\times {\mathrm{313}}^1$

素因数の和:457

約数の個数: 32

約数和(自身を含む): 104177664

約数和(自身を除く): 32108475

約数列:

[1, 3, 23, 47, 69, 71, 141, 213, 313, 939, 1081, 1633, 3243, 3337, 4899, 7199, 10011, 14711, 21597, 22223, 44133, 66669, 76751, 230253, 338353, 511129, 1015059, 1044481, 1533387, 3133443, 24023063, 72069189]

約数ペア:

[(1, 72069189), (3, 24023063), (23, 3133443), (47, 1533387), (69, 1044481), (71, 1015059), (141, 511129), (213, 338353), (313, 230253), (939, 76751), (1081, 66669), (1633, 44133), (3243, 22223), (3337, 21597), (4899, 14711), (7199, 10011)]