1303645

素因数分解:

$5^1\times 7^2\times {\mathrm{17}}^1\times {\mathrm{313}}^1$

素因数の和:349

約数の個数: 24

約数和(自身を含む): 1932984

約数和(自身を除く): 629339

約数列:

[1, 5, 7, 17, 35, 49, 85, 119, 245, 313, 595, 833, 1565, 2191, 4165, 5321, 10955, 15337, 26605, 37247, 76685, 186235, 260729, 1303645]

約数ペア:

[(1, 1303645), (5, 260729), (7, 186235), (17, 76685), (35, 37247), (49, 26605), (85, 15337), (119, 10955), (245, 5321), (313, 4165), (595, 2191), (833, 1565)]