6643505

素因数分解:

$5^1\times {\mathrm{11}}^2\times {\mathrm{79}}^1\times {\mathrm{139}}^1$

素因数の和:245

約数の個数: 24

約数和(自身を含む): 8937600

約数和(自身を除く): 2294095

約数列:

[1, 5, 11, 55, 79, 121, 139, 395, 605, 695, 869, 1529, 4345, 7645, 9559, 10981, 16819, 47795, 54905, 84095, 120791, 603955, 1328701, 6643505]

約数ペア:

[(1, 6643505), (5, 1328701), (11, 603955), (55, 120791), (79, 84095), (121, 54905), (139, 47795), (395, 16819), (605, 10981), (695, 9559), (869, 7645), (1529, 4345)]