8403993

素因数分解:

$3^4\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{347}}^1$

素因数の和:395

約数の個数: 40

約数和(自身を含む): 14148288

約数和(自身を除く): 5744295

約数列:

[1, 3, 9, 13, 23, 27, 39, 69, 81, 117, 207, 299, 347, 351, 621, 897, 1041, 1053, 1863, 2691, 3123, 4511, 7981, 8073, 9369, 13533, 23943, 24219, 28107, 40599, 71829, 103753, 121797, 215487, 311259, 365391, 646461, 933777, 2801331, 8403993]

約数ペア:

[(1, 8403993), (3, 2801331), (9, 933777), (13, 646461), (23, 365391), (27, 311259), (39, 215487), (69, 121797), (81, 103753), (117, 71829), (207, 40599), (299, 28107), (347, 24219), (351, 23943), (621, 13533), (897, 9369), (1041, 8073), (1053, 7981), (1863, 4511), (2691, 3123)]