65564775

素因数分解:

$3^3\times 5^2\times {\mathrm{137}}^1\times {\mathrm{709}}^1$

素因数の和:865

約数の個数: 48

約数和(自身を含む): 121495200

約数和(自身を除く): 55930425

約数列:

[1, 3, 5, 9, 15, 25, 27, 45, 75, 135, 137, 225, 411, 675, 685, 709, 1233, 2055, 2127, 3425, 3545, 3699, 6165, 6381, 10275, 10635, 17725, 18495, 19143, 30825, 31905, 53175, 92475, 95715, 97133, 159525, 291399, 478575, 485665, 874197, 1456995, 2428325, 2622591, 4370985, 7284975, 13112955, 21854925, 65564775]

約数ペア:

[(1, 65564775), (3, 21854925), (5, 13112955), (9, 7284975), (15, 4370985), (25, 2622591), (27, 2428325), (45, 1456995), (75, 874197), (135, 485665), (137, 478575), (225, 291399), (411, 159525), (675, 97133), (685, 95715), (709, 92475), (1233, 53175), (2055, 31905), (2127, 30825), (3425, 19143), (3545, 18495), (3699, 17725), (6165, 10635), (6381, 10275)]