249630303

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{137}}^1\times {\mathrm{2459}}^1$

素因数の和:2631

約数の個数: 32

約数和(自身を含む): 380217600

約数和(自身を除く): 130587297

約数列:

[1, 3, 13, 19, 39, 57, 137, 247, 411, 741, 1781, 2459, 2603, 5343, 7377, 7809, 31967, 33839, 46721, 95901, 101517, 140163, 336883, 607373, 1010649, 1822119, 4379479, 6400777, 13138437, 19202331, 83210101, 249630303]

約数ペア:

[(1, 249630303), (3, 83210101), (13, 19202331), (19, 13138437), (39, 6400777), (57, 4379479), (137, 1822119), (247, 1010649), (411, 607373), (741, 336883), (1781, 140163), (2459, 101517), (2603, 95901), (5343, 46721), (7377, 33839), (7809, 31967)]