28561005

素因数分解:

$3^5\times 5^1\times {\mathrm{11}}^1\times {\mathrm{2137}}^1$

素因数の和:2168

約数の個数: 48

約数和(自身を含む): 56032704

約数和(自身を除く): 27471699

約数列:

[1, 3, 5, 9, 11, 15, 27, 33, 45, 55, 81, 99, 135, 165, 243, 297, 405, 495, 891, 1215, 1485, 2137, 2673, 4455, 6411, 10685, 13365, 19233, 23507, 32055, 57699, 70521, 96165, 117535, 173097, 211563, 288495, 352605, 519291, 634689, 865485, 1057815, 1904067, 2596455, 3173445, 5712201, 9520335, 28561005]

約数ペア:

[(1, 28561005), (3, 9520335), (5, 5712201), (9, 3173445), (11, 2596455), (15, 1904067), (27, 1057815), (33, 865485), (45, 634689), (55, 519291), (81, 352605), (99, 288495), (135, 211563), (165, 173097), (243, 117535), (297, 96165), (405, 70521), (495, 57699), (891, 32055), (1215, 23507), (1485, 19233), (2137, 13365), (2673, 10685), (4455, 6411)]