277130259

素因数分解:

$3^2\times 7^1\times {\mathrm{37}}^1\times {\mathrm{61}}^1\times {\mathrm{1949}}^1$

素因数の和:2060

約数の個数: 48

約数和(自身を含む): 477796800

約数和(自身を除く): 200666541

約数列:

[1, 3, 7, 9, 21, 37, 61, 63, 111, 183, 259, 333, 427, 549, 777, 1281, 1949, 2257, 2331, 3843, 5847, 6771, 13643, 15799, 17541, 20313, 40929, 47397, 72113, 118889, 122787, 142191, 216339, 356667, 504791, 649017, 832223, 1070001, 1514373, 2496669, 4398893, 4543119, 7490007, 13196679, 30792251, 39590037, 92376753, 277130259]

約数ペア:

[(1, 277130259), (3, 92376753), (7, 39590037), (9, 30792251), (21, 13196679), (37, 7490007), (61, 4543119), (63, 4398893), (111, 2496669), (183, 1514373), (259, 1070001), (333, 832223), (427, 649017), (549, 504791), (777, 356667), (1281, 216339), (1949, 142191), (2257, 122787), (2331, 118889), (3843, 72113), (5847, 47397), (6771, 40929), (13643, 20313), (15799, 17541)]