81343836

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{41}}^1\times {\mathrm{7873}}^1$

素因数の和:7931

約数の個数: 72

約数和(自身を含む): 240755424

約数和(自身を除く): 159411588

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 28, 36, 41, 42, 63, 82, 84, 123, 126, 164, 246, 252, 287, 369, 492, 574, 738, 861, 1148, 1476, 1722, 2583, 3444, 5166, 7873, 10332, 15746, 23619, 31492, 47238, 55111, 70857, 94476, 110222, 141714, 165333, 220444, 283428, 322793, 330666, 495999, 645586, 661332, 968379, 991998, 1291172, 1936758, 1983996, 2259551, 2905137, 3873516, 4519102, 5810274, 6778653, 9038204, 11620548, 13557306, 20335959, 27114612, 40671918, 81343836]

約数ペア:

[(1, 81343836), (2, 40671918), (3, 27114612), (4, 20335959), (6, 13557306), (7, 11620548), (9, 9038204), (12, 6778653), (14, 5810274), (18, 4519102), (21, 3873516), (28, 2905137), (36, 2259551), (41, 1983996), (42, 1936758), (63, 1291172), (82, 991998), (84, 968379), (123, 661332), (126, 645586), (164, 495999), (246, 330666), (252, 322793), (287, 283428), (369, 220444), (492, 165333), (574, 141714), (738, 110222), (861, 94476), (1148, 70857), (1476, 55111), (1722, 47238), (2583, 31492), (3444, 23619), (5166, 15746), (7873, 10332)]