77897547

素因数分解:

$3^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{227}}^1\times {\mathrm{419}}^1$

素因数の和:672

約数の個数: 48

約数和(自身を含む): 139426560

約数和(自身を除く): 61529013

約数列:

[1, 3, 7, 9, 13, 21, 39, 63, 91, 117, 227, 273, 419, 681, 819, 1257, 1589, 2043, 2933, 2951, 3771, 4767, 5447, 8799, 8853, 14301, 16341, 20657, 26397, 26559, 38129, 49023, 61971, 95113, 114387, 185913, 285339, 343161, 665791, 856017, 1236469, 1997373, 3709407, 5992119, 8655283, 11128221, 25965849, 77897547]

約数ペア:

[(1, 77897547), (3, 25965849), (7, 11128221), (9, 8655283), (13, 5992119), (21, 3709407), (39, 1997373), (63, 1236469), (91, 856017), (117, 665791), (227, 343161), (273, 285339), (419, 185913), (681, 114387), (819, 95113), (1257, 61971), (1589, 49023), (2043, 38129), (2933, 26559), (2951, 26397), (3771, 20657), (4767, 16341), (5447, 14301), (8799, 8853)]