180709221

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{21143}}^1$

素因数の和:21201

約数の個数: 32

約数和(自身を含む): 308533248

約数和(自身を除く): 127824027

約数列:

[1, 3, 7, 11, 21, 33, 37, 77, 111, 231, 259, 407, 777, 1221, 2849, 8547, 21143, 63429, 148001, 232573, 444003, 697719, 782291, 1628011, 2346873, 4884033, 5476037, 8605201, 16428111, 25815603, 60236407, 180709221]

約数ペア:

[(1, 180709221), (3, 60236407), (7, 25815603), (11, 16428111), (21, 8605201), (33, 5476037), (37, 4884033), (77, 2346873), (111, 1628011), (231, 782291), (259, 697719), (407, 444003), (777, 232573), (1221, 148001), (2849, 63429), (8547, 21143)]