68368455

素因数分解:

$3^4\times 5^1\times {\mathrm{223}}^1\times {\mathrm{757}}^1$

素因数の和:997

約数の個数: 40

約数和(自身を含む): 123268992

約数和(自身を除く): 54900537

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 223, 405, 669, 757, 1115, 2007, 2271, 3345, 3785, 6021, 6813, 10035, 11355, 18063, 20439, 30105, 34065, 61317, 90315, 102195, 168811, 306585, 506433, 844055, 1519299, 2532165, 4557897, 7596495, 13673691, 22789485, 68368455]

約数ペア:

[(1, 68368455), (3, 22789485), (5, 13673691), (9, 7596495), (15, 4557897), (27, 2532165), (45, 1519299), (81, 844055), (135, 506433), (223, 306585), (405, 168811), (669, 102195), (757, 90315), (1115, 61317), (2007, 34065), (2271, 30105), (3345, 20439), (3785, 18063), (6021, 11355), (6813, 10035)]