393295903

素因数分解:

$7^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{37}}^2\times {\mathrm{41}}^1$

素因数の和:153

約数の個数: 72

約数和(自身を含む): 565884144

約数和(自身を除く): 172588241

約数列:

[1, 7, 11, 13, 37, 41, 49, 77, 91, 143, 259, 287, 407, 451, 481, 533, 539, 637, 1001, 1369, 1517, 1813, 2009, 2849, 3157, 3367, 3731, 5291, 5863, 7007, 9583, 10619, 15059, 16687, 17797, 19721, 19943, 22099, 23569, 26117, 37037, 41041, 56129, 67081, 74333, 105413, 116809, 124579, 138047, 195767, 216931, 259259, 287287, 392903, 617419, 729677, 737891, 817663, 872053, 966329, 1370369, 1518517, 2750321, 4321933, 5107739, 8026447, 9592583, 10629619, 30253531, 35754173, 56185129, 393295903]

約数ペア:

[(1, 393295903), (7, 56185129), (11, 35754173), (13, 30253531), (37, 10629619), (41, 9592583), (49, 8026447), (77, 5107739), (91, 4321933), (143, 2750321), (259, 1518517), (287, 1370369), (407, 966329), (451, 872053), (481, 817663), (533, 737891), (539, 729677), (637, 617419), (1001, 392903), (1369, 287287), (1517, 259259), (1813, 216931), (2009, 195767), (2849, 138047), (3157, 124579), (3367, 116809), (3731, 105413), (5291, 74333), (5863, 67081), (7007, 56129), (9583, 41041), (10619, 37037), (15059, 26117), (16687, 23569), (17797, 22099), (19721, 19943)]