28235385

素因数分解:

$3^5\times 5^1\times {\mathrm{17}}^1\times {\mathrm{1367}}^1$

素因数の和:1404

約数の個数: 48

約数和(自身を含む): 53778816

約数和(自身を除く): 25543431

約数列:

[1, 3, 5, 9, 15, 17, 27, 45, 51, 81, 85, 135, 153, 243, 255, 405, 459, 765, 1215, 1367, 1377, 2295, 4101, 4131, 6835, 6885, 12303, 20505, 20655, 23239, 36909, 61515, 69717, 110727, 116195, 184545, 209151, 332181, 348585, 553635, 627453, 1045755, 1660905, 1882359, 3137265, 5647077, 9411795, 28235385]

約数ペア:

[(1, 28235385), (3, 9411795), (5, 5647077), (9, 3137265), (15, 1882359), (17, 1660905), (27, 1045755), (45, 627453), (51, 553635), (81, 348585), (85, 332181), (135, 209151), (153, 184545), (243, 116195), (255, 110727), (405, 69717), (459, 61515), (765, 36909), (1215, 23239), (1367, 20655), (1377, 20505), (2295, 12303), (4101, 6885), (4131, 6835)]