12680145

素因数分解:

$3^4\times 5^1\times {\mathrm{131}}^1\times {\mathrm{239}}^1$

素因数の和:387

約数の個数: 40

約数和(自身を含む): 22999680

約数和(自身を除く): 10319535

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 131, 135, 239, 393, 405, 655, 717, 1179, 1195, 1965, 2151, 3537, 3585, 5895, 6453, 10611, 10755, 17685, 19359, 31309, 32265, 53055, 93927, 96795, 156545, 281781, 469635, 845343, 1408905, 2536029, 4226715, 12680145]

約数ペア:

[(1, 12680145), (3, 4226715), (5, 2536029), (9, 1408905), (15, 845343), (27, 469635), (45, 281781), (81, 156545), (131, 96795), (135, 93927), (239, 53055), (393, 32265), (405, 31309), (655, 19359), (717, 17685), (1179, 10755), (1195, 10611), (1965, 6453), (2151, 5895), (3537, 3585)]