65681499

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{137}}^1\times {\mathrm{647}}^1$

素因数の和:819

約数の個数: 32

約数和(自身を含む): 100154880

約数和(自身を除く): 34473381

約数列:

[1, 3, 13, 19, 39, 57, 137, 247, 411, 647, 741, 1781, 1941, 2603, 5343, 7809, 8411, 12293, 25233, 33839, 36879, 88639, 101517, 159809, 265917, 479427, 1152307, 1684141, 3456921, 5052423, 21893833, 65681499]

約数ペア:

[(1, 65681499), (3, 21893833), (13, 5052423), (19, 3456921), (39, 1684141), (57, 1152307), (137, 479427), (247, 265917), (411, 159809), (647, 101517), (741, 88639), (1781, 36879), (1941, 33839), (2603, 25233), (5343, 12293), (7809, 8411)]