28152225

素因数分解:

$3^3\times 5^2\times {\mathrm{179}}^1\times {\mathrm{233}}^1$

素因数の和:431

約数の個数: 48

約数和(自身を含む): 52228800

約数和(自身を除く): 24076575

約数列:

[1, 3, 5, 9, 15, 25, 27, 45, 75, 135, 179, 225, 233, 537, 675, 699, 895, 1165, 1611, 2097, 2685, 3495, 4475, 4833, 5825, 6291, 8055, 10485, 13425, 17475, 24165, 31455, 40275, 41707, 52425, 120825, 125121, 157275, 208535, 375363, 625605, 1042675, 1126089, 1876815, 3128025, 5630445, 9384075, 28152225]

約数ペア:

[(1, 28152225), (3, 9384075), (5, 5630445), (9, 3128025), (15, 1876815), (25, 1126089), (27, 1042675), (45, 625605), (75, 375363), (135, 208535), (179, 157275), (225, 125121), (233, 120825), (537, 52425), (675, 41707), (699, 40275), (895, 31455), (1165, 24165), (1611, 17475), (2097, 13425), (2685, 10485), (3495, 8055), (4475, 6291), (4833, 5825)]