388443375

素因数分解:

$3^2\times 5^3\times {\mathrm{487}}^1\times {\mathrm{709}}^1$

素因数の和:1217

約数の個数: 48

約数和(自身を含む): 702661440

約数和(自身を除く): 314218065

約数列:

[1, 3, 5, 9, 15, 25, 45, 75, 125, 225, 375, 487, 709, 1125, 1461, 2127, 2435, 3545, 4383, 6381, 7305, 10635, 12175, 17725, 21915, 31905, 36525, 53175, 60875, 88625, 109575, 159525, 182625, 265875, 345283, 547875, 797625, 1035849, 1726415, 3107547, 5179245, 8632075, 15537735, 25896225, 43160375, 77688675, 129481125, 388443375]

約数ペア:

[(1, 388443375), (3, 129481125), (5, 77688675), (9, 43160375), (15, 25896225), (25, 15537735), (45, 8632075), (75, 5179245), (125, 3107547), (225, 1726415), (375, 1035849), (487, 797625), (709, 547875), (1125, 345283), (1461, 265875), (2127, 182625), (2435, 159525), (3545, 109575), (4383, 88625), (6381, 60875), (7305, 53175), (10635, 36525), (12175, 31905), (17725, 21915)]