686943963

素因数分解:

$3^3\times {\mathrm{43}}^1\times {\mathrm{47}}^1\times {\mathrm{12589}}^1$

素因数の和:12688

約数の個数: 32

約数和(自身を含む): 1063603200

約数和(自身を除く): 376659237

約数列:

[1, 3, 9, 27, 43, 47, 129, 141, 387, 423, 1161, 1269, 2021, 6063, 12589, 18189, 37767, 54567, 113301, 339903, 541327, 591683, 1623981, 1775049, 4871943, 5325147, 14615829, 15975441, 25442369, 76327107, 228981321, 686943963]

約数ペア:

[(1, 686943963), (3, 228981321), (9, 76327107), (27, 25442369), (43, 15975441), (47, 14615829), (129, 5325147), (141, 4871943), (387, 1775049), (423, 1623981), (1161, 591683), (1269, 541327), (2021, 339903), (6063, 113301), (12589, 54567), (18189, 37767)]