263807817

素因数分解:

$3^1\times 7^3\times {\mathrm{13}}^2\times {\mathrm{37}}^1\times {\mathrm{41}}^1$

素因数の和:128

約数の個数: 96

約数和(自身を含む): 467308800

約数和(自身を除く): 203500983

約数列:

[1, 3, 7, 13, 21, 37, 39, 41, 49, 91, 111, 123, 147, 169, 259, 273, 287, 343, 481, 507, 533, 637, 777, 861, 1029, 1183, 1443, 1517, 1599, 1813, 1911, 2009, 3367, 3549, 3731, 4459, 4551, 5439, 6027, 6253, 6929, 8281, 10101, 10619, 11193, 12691, 13377, 14063, 18759, 19721, 20787, 23569, 24843, 26117, 31857, 38073, 42189, 43771, 48503, 57967, 59163, 70707, 74333, 78351, 131313, 138047, 145509, 164983, 173901, 182819, 222999, 256373, 306397, 339521, 414141, 494949, 520331, 548457, 769119, 919191, 966329, 1018563, 1560993, 1794611, 2144779, 2376647, 2898987, 5383833, 6434337, 6764303, 7129941, 12562277, 20292909, 37686831, 87935939, 263807817]

約数ペア:

[(1, 263807817), (3, 87935939), (7, 37686831), (13, 20292909), (21, 12562277), (37, 7129941), (39, 6764303), (41, 6434337), (49, 5383833), (91, 2898987), (111, 2376647), (123, 2144779), (147, 1794611), (169, 1560993), (259, 1018563), (273, 966329), (287, 919191), (343, 769119), (481, 548457), (507, 520331), (533, 494949), (637, 414141), (777, 339521), (861, 306397), (1029, 256373), (1183, 222999), (1443, 182819), (1517, 173901), (1599, 164983), (1813, 145509), (1911, 138047), (2009, 131313), (3367, 78351), (3549, 74333), (3731, 70707), (4459, 59163), (4551, 57967), (5439, 48503), (6027, 43771), (6253, 42189), (6929, 38073), (8281, 31857), (10101, 26117), (10619, 24843), (11193, 23569), (12691, 20787), (13377, 19721), (14063, 18759)]