72715005

素因数分解:

$3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{2069}}^1$

素因数の和:2162

約数の個数: 48

約数和(自身を含む): 139501440

約数和(自身を除く): 66786435

約数列:

[1, 3, 5, 9, 11, 15, 33, 45, 55, 71, 99, 165, 213, 355, 495, 639, 781, 1065, 2069, 2343, 3195, 3905, 6207, 7029, 10345, 11715, 18621, 22759, 31035, 35145, 68277, 93105, 113795, 146899, 204831, 341385, 440697, 734495, 1024155, 1322091, 1615889, 2203485, 4847667, 6610455, 8079445, 14543001, 24238335, 72715005]

約数ペア:

[(1, 72715005), (3, 24238335), (5, 14543001), (9, 8079445), (11, 6610455), (15, 4847667), (33, 2203485), (45, 1615889), (55, 1322091), (71, 1024155), (99, 734495), (165, 440697), (213, 341385), (355, 204831), (495, 146899), (639, 113795), (781, 93105), (1065, 68277), (2069, 35145), (2343, 31035), (3195, 22759), (3905, 18621), (6207, 11715), (7029, 10345)]