7420245

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{4157}}^1$

素因数の和:4189

約数の個数: 32

約数和(自身を含む): 14370048

約数和(自身を除く): 6949803

約数列:

[1, 3, 5, 7, 15, 17, 21, 35, 51, 85, 105, 119, 255, 357, 595, 1785, 4157, 12471, 20785, 29099, 62355, 70669, 87297, 145495, 212007, 353345, 436485, 494683, 1060035, 1484049, 2473415, 7420245]

約数ペア:

[(1, 7420245), (3, 2473415), (5, 1484049), (7, 1060035), (15, 494683), (17, 436485), (21, 353345), (35, 212007), (51, 145495), (85, 87297), (105, 70669), (119, 62355), (255, 29099), (357, 20785), (595, 12471), (1785, 4157)]