79721313

素因数分解:

$3^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{107}}^1\times {\mathrm{2087}}^1$

素因数の和:2221

約数の個数: 32

約数和(自身を含む): 129890304

約数和(自身を除く): 50168991

約数列:

[1, 3, 7, 17, 21, 51, 107, 119, 321, 357, 749, 1819, 2087, 2247, 5457, 6261, 12733, 14609, 35479, 38199, 43827, 106437, 223309, 248353, 669927, 745059, 1563163, 3796253, 4689489, 11388759, 26573771, 79721313]

約数ペア:

[(1, 79721313), (3, 26573771), (7, 11388759), (17, 4689489), (21, 3796253), (51, 1563163), (107, 745059), (119, 669927), (321, 248353), (357, 223309), (749, 106437), (1819, 43827), (2087, 38199), (2247, 35479), (5457, 14609), (6261, 12733)]