1277691807

素因数分解:

$3^1\times 7^3\times {\mathrm{37}}^2\times {\mathrm{907}}^1$

素因数の和:1005

約数の個数: 48

約数和(自身を含む): 2044089600

約数和(自身を除く): 766397793

約数列:

[1, 3, 7, 21, 37, 49, 111, 147, 259, 343, 777, 907, 1029, 1369, 1813, 2721, 4107, 5439, 6349, 9583, 12691, 19047, 28749, 33559, 38073, 44443, 67081, 100677, 133329, 201243, 234913, 311101, 469567, 704739, 933303, 1241683, 1408701, 1644391, 3725049, 4933173, 8691781, 11510737, 26075343, 34532211, 60842467, 182527401, 425897269, 1277691807]

約数ペア:

[(1, 1277691807), (3, 425897269), (7, 182527401), (21, 60842467), (37, 34532211), (49, 26075343), (111, 11510737), (147, 8691781), (259, 4933173), (343, 3725049), (777, 1644391), (907, 1408701), (1029, 1241683), (1369, 933303), (1813, 704739), (2721, 469567), (4107, 311101), (5439, 234913), (6349, 201243), (9583, 133329), (12691, 100677), (19047, 67081), (28749, 44443), (33559, 38073)]