259661919

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{97}}^1\times {\mathrm{81119}}^1$

素因数の和:81230

約数の個数: 16

約数和(自身を含む): 381588480

約数和(自身を除く): 121926561

約数列:

[1, 3, 11, 33, 97, 291, 1067, 3201, 81119, 243357, 892309, 2676927, 7868543, 23605629, 86553973, 259661919]

約数ペア:

[(1, 259661919), (3, 86553973), (11, 23605629), (33, 7868543), (97, 2676927), (291, 892309), (1067, 243357), (3201, 81119)]