31426425

素因数分解:

$3^2\times 5^2\times {\mathrm{197}}^1\times {\mathrm{709}}^1$

素因数の和:922

約数の個数: 36

約数和(自身を含む): 56653740

約数和(自身を除く): 25227315

約数列:

[1, 3, 5, 9, 15, 25, 45, 75, 197, 225, 591, 709, 985, 1773, 2127, 2955, 3545, 4925, 6381, 8865, 10635, 14775, 17725, 31905, 44325, 53175, 139673, 159525, 419019, 698365, 1257057, 2095095, 3491825, 6285285, 10475475, 31426425]

約数ペア:

[(1, 31426425), (3, 10475475), (5, 6285285), (9, 3491825), (15, 2095095), (25, 1257057), (45, 698365), (75, 419019), (197, 159525), (225, 139673), (591, 53175), (709, 44325), (985, 31905), (1773, 17725), (2127, 14775), (2955, 10635), (3545, 8865), (4925, 6381)]