55871991

素因数分解:

$3^3\times 7^1\times {\mathrm{23}}^1\times {\mathrm{12853}}^1$

素因数の和:12892

約数の個数: 32

約数和(自身を含む): 98718720

約数和(自身を除く): 42846729

約数列:

[1, 3, 7, 9, 21, 23, 27, 63, 69, 161, 189, 207, 483, 621, 1449, 4347, 12853, 38559, 89971, 115677, 269913, 295619, 347031, 809739, 886857, 2069333, 2429217, 2660571, 6207999, 7981713, 18623997, 55871991]

約数ペア:

[(1, 55871991), (3, 18623997), (7, 7981713), (9, 6207999), (21, 2660571), (23, 2429217), (27, 2069333), (63, 886857), (69, 809739), (161, 347031), (189, 295619), (207, 269913), (483, 115677), (621, 89971), (1449, 38559), (4347, 12853)]