78121155

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{659}}^1\times {\mathrm{1129}}^1$

素因数の和:1803

約数の個数: 32

約数和(自身を含む): 143193600

約数和(自身を除く): 65072445

約数列:

[1, 3, 5, 7, 15, 21, 35, 105, 659, 1129, 1977, 3295, 3387, 4613, 5645, 7903, 9885, 13839, 16935, 23065, 23709, 39515, 69195, 118545, 744011, 2232033, 3720055, 5208077, 11160165, 15624231, 26040385, 78121155]

約数ペア:

[(1, 78121155), (3, 26040385), (5, 15624231), (7, 11160165), (15, 5208077), (21, 3720055), (35, 2232033), (105, 744011), (659, 118545), (1129, 69195), (1977, 39515), (3295, 23709), (3387, 23065), (4613, 16935), (5645, 13839), (7903, 9885)]