39291291

素因数分解:

$3^3\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{157}}^1$

素因数の和:233

約数の個数: 64

約数和(自身を含む): 67952640

約数和(自身を除く): 28661349

約数列:

[1, 3, 9, 13, 23, 27, 31, 39, 69, 93, 117, 157, 207, 279, 299, 351, 403, 471, 621, 713, 837, 897, 1209, 1413, 2041, 2139, 2691, 3611, 3627, 4239, 4867, 6123, 6417, 8073, 9269, 10833, 10881, 14601, 18369, 19251, 27807, 32499, 43803, 46943, 55107, 63271, 83421, 97497, 111941, 131409, 140829, 189813, 250263, 335823, 422487, 569439, 1007469, 1267461, 1455233, 1708317, 3022407, 4365699, 13097097, 39291291]

約数ペア:

[(1, 39291291), (3, 13097097), (9, 4365699), (13, 3022407), (23, 1708317), (27, 1455233), (31, 1267461), (39, 1007469), (69, 569439), (93, 422487), (117, 335823), (157, 250263), (207, 189813), (279, 140829), (299, 131409), (351, 111941), (403, 97497), (471, 83421), (621, 63271), (713, 55107), (837, 46943), (897, 43803), (1209, 32499), (1413, 27807), (2041, 19251), (2139, 18369), (2691, 14601), (3611, 10881), (3627, 10833), (4239, 9269), (4867, 8073), (6123, 6417)]