1556855979

素因数分解:

$3^1\times 7^2\times {\mathrm{43}}^1\times {\mathrm{71}}^1\times {\mathrm{3469}}^1$

素因数の和:3600

約数の個数: 48

約数和(自身を含む): 2506394880

約数和(自身を除く): 949538901

約数列:

[1, 3, 7, 21, 43, 49, 71, 129, 147, 213, 301, 497, 903, 1491, 2107, 3053, 3469, 3479, 6321, 9159, 10407, 10437, 21371, 24283, 64113, 72849, 149167, 149597, 169981, 246299, 447501, 448791, 509943, 738897, 1044169, 1724093, 3132507, 5172279, 7309183, 10590857, 12068651, 21927549, 31772571, 36205953, 74135999, 222407997, 518951993, 1556855979]

約数ペア:

[(1, 1556855979), (3, 518951993), (7, 222407997), (21, 74135999), (43, 36205953), (49, 31772571), (71, 21927549), (129, 12068651), (147, 10590857), (213, 7309183), (301, 5172279), (497, 3132507), (903, 1724093), (1491, 1044169), (2107, 738897), (3053, 509943), (3469, 448791), (3479, 447501), (6321, 246299), (9159, 169981), (10407, 149597), (10437, 149167), (21371, 72849), (24283, 64113)]