15716205

素因数分解:

$3^2\times 5^1\times {\mathrm{71}}^1\times {\mathrm{4919}}^1$

素因数の和:5001

約数の個数: 24

約数和(自身を含む): 27630720

約数和(自身を除く): 11914515

約数列:

[1, 3, 5, 9, 15, 45, 71, 213, 355, 639, 1065, 3195, 4919, 14757, 24595, 44271, 73785, 221355, 349249, 1047747, 1746245, 3143241, 5238735, 15716205]

約数ペア:

[(1, 15716205), (3, 5238735), (5, 3143241), (9, 1746245), (15, 1047747), (45, 349249), (71, 221355), (213, 73785), (355, 44271), (639, 24595), (1065, 14757), (3195, 4919)]