201580689

素因数分解:

$3^1\times {\mathrm{43}}^1\times {\mathrm{67}}^1\times {\mathrm{83}}^1\times {\mathrm{281}}^1$

素因数の和:477

約数の個数: 32

約数和(自身を含む): 283497984

約数和(自身を除く): 81917295

約数列:

[1, 3, 43, 67, 83, 129, 201, 249, 281, 843, 2881, 3569, 5561, 8643, 10707, 12083, 16683, 18827, 23323, 36249, 56481, 69969, 239123, 717369, 809561, 1002889, 1562641, 2428683, 3008667, 4687923, 67193563, 201580689]

約数ペア:

[(1, 201580689), (3, 67193563), (43, 4687923), (67, 3008667), (83, 2428683), (129, 1562641), (201, 1002889), (249, 809561), (281, 717369), (843, 239123), (2881, 69969), (3569, 56481), (5561, 36249), (8643, 23323), (10707, 18827), (12083, 16683)]