15206415

素因数分解:

$3^1\times 5^1\times 7^2\times {\mathrm{17}}^1\times {\mathrm{1217}}^1$

素因数の和:1256

約数の個数: 48

約数和(自身を含む): 29992032

約数和(自身を除く): 14785617

約数列:

[1, 3, 5, 7, 15, 17, 21, 35, 49, 51, 85, 105, 119, 147, 245, 255, 357, 595, 735, 833, 1217, 1785, 2499, 3651, 4165, 6085, 8519, 12495, 18255, 20689, 25557, 42595, 59633, 62067, 103445, 127785, 144823, 178899, 298165, 310335, 434469, 724115, 894495, 1013761, 2172345, 3041283, 5068805, 15206415]

約数ペア:

[(1, 15206415), (3, 5068805), (5, 3041283), (7, 2172345), (15, 1013761), (17, 894495), (21, 724115), (35, 434469), (49, 310335), (51, 298165), (85, 178899), (105, 144823), (119, 127785), (147, 103445), (245, 62067), (255, 59633), (357, 42595), (595, 25557), (735, 20689), (833, 18255), (1217, 12495), (1785, 8519), (2499, 6085), (3651, 4165)]