28377675

素因数分解:

$3^3\times 5^2\times {\mathrm{17}}^1\times {\mathrm{2473}}^1$

素因数の和:2509

約数の個数: 48

約数和(自身を含む): 55219680

約数和(自身を除く): 26842005

約数列:

[1, 3, 5, 9, 15, 17, 25, 27, 45, 51, 75, 85, 135, 153, 225, 255, 425, 459, 675, 765, 1275, 2295, 2473, 3825, 7419, 11475, 12365, 22257, 37095, 42041, 61825, 66771, 111285, 126123, 185475, 210205, 333855, 378369, 556425, 630615, 1051025, 1135107, 1669275, 1891845, 3153075, 5675535, 9459225, 28377675]

約数ペア:

[(1, 28377675), (3, 9459225), (5, 5675535), (9, 3153075), (15, 1891845), (17, 1669275), (25, 1135107), (27, 1051025), (45, 630615), (51, 556425), (75, 378369), (85, 333855), (135, 210205), (153, 185475), (225, 126123), (255, 111285), (425, 66771), (459, 61825), (675, 42041), (765, 37095), (1275, 22257), (2295, 12365), (2473, 11475), (3825, 7419)]