28308825

素因数分解:

$3^3\times 5^2\times {\mathrm{17}}^1\times {\mathrm{2467}}^1$

素因数の和:2503

約数の個数: 48

約数和(自身を含む): 55085760

約数和(自身を除く): 26776935

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, 2467, 3825, 7401, 11475, 12335, 22203, 37005, 41939, 61675, 66609, 111015, 125817, 185025, 209695, 333045, 377451, 555075, 629085, 1048475, 1132353, 1665225, 1887255, 3145425, 5661765, 9436275, 28308825]

約数ペア:

[(1, 28308825), (3, 9436275), (5, 5661765), (9, 3145425), (15, 1887255), (17, 1665225), (25, 1132353), (27, 1048475), (45, 629085), (51, 555075), (75, 377451), (85, 333045), (135, 209695), (153, 185025), (225, 125817), (255, 111015), (425, 66609), (459, 61675), (675, 41939), (765, 37005), (1275, 22203), (2295, 12335), (2467, 11475), (3825, 7401)]