280507065

素因数分解:

$3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{719}}^1\times {\mathrm{839}}^1$

素因数の和:1597

約数の個数: 32

約数和(自身を含む): 464486400

約数和(自身を除く): 183979335

約数列:

[1, 3, 5, 15, 31, 93, 155, 465, 719, 839, 2157, 2517, 3595, 4195, 10785, 12585, 22289, 26009, 66867, 78027, 111445, 130045, 334335, 390135, 603241, 1809723, 3016205, 9048615, 18700471, 56101413, 93502355, 280507065]

約数ペア:

[(1, 280507065), (3, 93502355), (5, 56101413), (15, 18700471), (31, 9048615), (93, 3016205), (155, 1809723), (465, 603241), (719, 390135), (839, 334335), (2157, 130045), (2517, 111445), (3595, 78027), (4195, 66867), (10785, 26009), (12585, 22289)]