1279277391

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{173}}^1\times {\mathrm{431}}^1$

素因数の和:676

約数の個数: 64

約数和(自身を含む): 2116730880

約数和(自身を除く): 837453489

約数列:

[1, 3, 7, 19, 21, 43, 57, 129, 133, 173, 301, 399, 431, 519, 817, 903, 1211, 1293, 2451, 3017, 3287, 3633, 5719, 7439, 8189, 9051, 9861, 17157, 18533, 22317, 23009, 24567, 52073, 55599, 57323, 69027, 74563, 129731, 141341, 156219, 171969, 223689, 352127, 389193, 424023, 521941, 989387, 1056381, 1416697, 1565823, 2464889, 2968161, 3206209, 4250091, 7394667, 9618627, 9916879, 22443463, 29750637, 60917971, 67330389, 182753913, 426425797, 1279277391]

約数ペア:

[(1, 1279277391), (3, 426425797), (7, 182753913), (19, 67330389), (21, 60917971), (43, 29750637), (57, 22443463), (129, 9916879), (133, 9618627), (173, 7394667), (301, 4250091), (399, 3206209), (431, 2968161), (519, 2464889), (817, 1565823), (903, 1416697), (1211, 1056381), (1293, 989387), (2451, 521941), (3017, 424023), (3287, 389193), (3633, 352127), (5719, 223689), (7439, 171969), (8189, 156219), (9051, 141341), (9861, 129731), (17157, 74563), (18533, 69027), (22317, 57323), (23009, 55599), (24567, 52073)]