201084525

素因数分解:

$3^4\times 5^2\times {\mathrm{199}}^1\times {\mathrm{499}}^1$

素因数の和:720

約数の個数: 60

約数和(自身を含む): 375100000

約数和(自身を除く): 174015475

約数列:

[1, 3, 5, 9, 15, 25, 27, 45, 75, 81, 135, 199, 225, 405, 499, 597, 675, 995, 1497, 1791, 2025, 2495, 2985, 4491, 4975, 5373, 7485, 8955, 12475, 13473, 14925, 16119, 22455, 26865, 37425, 40419, 44775, 67365, 80595, 99301, 112275, 134325, 202095, 297903, 336825, 402975, 496505, 893709, 1010475, 1489515, 2482525, 2681127, 4468545, 7447575, 8043381, 13405635, 22342725, 40216905, 67028175, 201084525]

約数ペア:

[(1, 201084525), (3, 67028175), (5, 40216905), (9, 22342725), (15, 13405635), (25, 8043381), (27, 7447575), (45, 4468545), (75, 2681127), (81, 2482525), (135, 1489515), (199, 1010475), (225, 893709), (405, 496505), (499, 402975), (597, 336825), (675, 297903), (995, 202095), (1497, 134325), (1791, 112275), (2025, 99301), (2495, 80595), (2985, 67365), (4491, 44775), (4975, 40419), (5373, 37425), (7485, 26865), (8955, 22455), (12475, 16119), (13473, 14925)]