28800387

素因数分解:

$3^3\times 7^2\times {\mathrm{11}}^1\times {\mathrm{1979}}^1$

素因数の和:2013

約数の個数: 48

約数和(自身を含む): 54172800

約数和(自身を除く): 25372413

約数列:

[1, 3, 7, 9, 11, 21, 27, 33, 49, 63, 77, 99, 147, 189, 231, 297, 441, 539, 693, 1323, 1617, 1979, 2079, 4851, 5937, 13853, 14553, 17811, 21769, 41559, 53433, 65307, 96971, 124677, 152383, 195921, 290913, 374031, 457149, 587763, 872739, 1066681, 1371447, 2618217, 3200043, 4114341, 9600129, 28800387]

約数ペア:

[(1, 28800387), (3, 9600129), (7, 4114341), (9, 3200043), (11, 2618217), (21, 1371447), (27, 1066681), (33, 872739), (49, 587763), (63, 457149), (77, 374031), (99, 290913), (147, 195921), (189, 152383), (231, 124677), (297, 96971), (441, 65307), (539, 53433), (693, 41559), (1323, 21769), (1617, 17811), (1979, 14553), (2079, 13853), (4851, 5937)]