206538423

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{191}}^1\times {\mathrm{233}}^1$

素因数の和:464

約数の個数: 64

約数和(自身を含む): 362299392

約数和(自身を除く): 155760969

約数列:

[1, 3, 7, 13, 17, 21, 39, 51, 91, 119, 191, 221, 233, 273, 357, 573, 663, 699, 1337, 1547, 1631, 2483, 3029, 3247, 3961, 4011, 4641, 4893, 7449, 9087, 9741, 11883, 17381, 21203, 22729, 27727, 42211, 44503, 51493, 52143, 63609, 68187, 83181, 126633, 133509, 154479, 295477, 311521, 360451, 578539, 756551, 886431, 934563, 1081353, 1735617, 2269653, 4049773, 5295857, 9835163, 12149319, 15887571, 29505489, 68846141, 206538423]

約数ペア:

[(1, 206538423), (3, 68846141), (7, 29505489), (13, 15887571), (17, 12149319), (21, 9835163), (39, 5295857), (51, 4049773), (91, 2269653), (119, 1735617), (191, 1081353), (221, 934563), (233, 886431), (273, 756551), (357, 578539), (573, 360451), (663, 311521), (699, 295477), (1337, 154479), (1547, 133509), (1631, 126633), (2483, 83181), (3029, 68187), (3247, 63609), (3961, 52143), (4011, 51493), (4641, 44503), (4893, 42211), (7449, 27727), (9087, 22729), (9741, 21203), (11883, 17381)]