6891615

素因数分解:

$3^3\times 5^1\times {\mathrm{71}}^1\times {\mathrm{719}}^1$

素因数の和:804

約数の個数: 32

約数和(自身を含む): 12441600

約数和(自身を除く): 5549985

約数列:

[1, 3, 5, 9, 15, 27, 45, 71, 135, 213, 355, 639, 719, 1065, 1917, 2157, 3195, 3595, 6471, 9585, 10785, 19413, 32355, 51049, 97065, 153147, 255245, 459441, 765735, 1378323, 2297205, 6891615]

約数ペア:

[(1, 6891615), (3, 2297205), (5, 1378323), (9, 765735), (15, 459441), (27, 255245), (45, 153147), (71, 97065), (135, 51049), (213, 32355), (355, 19413), (639, 10785), (719, 9585), (1065, 6471), (1917, 3595), (2157, 3195)]