16691961

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{13}}^2\times {\mathrm{41}}^1\times {\mathrm{73}}^1$

素因数の和:154

約数の個数: 48

約数和(自身を含む): 27300672

約数和(自身を除く): 10608711

約数列:

[1, 3, 11, 13, 33, 39, 41, 73, 123, 143, 169, 219, 429, 451, 507, 533, 803, 949, 1353, 1599, 1859, 2409, 2847, 2993, 5577, 5863, 6929, 8979, 10439, 12337, 17589, 20787, 31317, 32923, 37011, 38909, 76219, 98769, 116727, 135707, 228657, 407121, 427999, 505817, 1283997, 1517451, 5563987, 16691961]

約数ペア:

[(1, 16691961), (3, 5563987), (11, 1517451), (13, 1283997), (33, 505817), (39, 427999), (41, 407121), (73, 228657), (123, 135707), (143, 116727), (169, 98769), (219, 76219), (429, 38909), (451, 37011), (507, 32923), (533, 31317), (803, 20787), (949, 17589), (1353, 12337), (1599, 10439), (1859, 8979), (2409, 6929), (2847, 5863), (2993, 5577)]