639155920887

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{17}}^2\times {\mathrm{881}}^1\times {\mathrm{25357}}^1$

素因数の和:26289

約数の個数: 72

約数和(自身を含む): 1071140786352

約数和(自身を除く): 431984865465

約数列:

[1, 3, 9, 11, 17, 33, 51, 99, 153, 187, 289, 561, 867, 881, 1683, 2601, 2643, 3179, 7929, 9537, 9691, 14977, 25357, 28611, 29073, 44931, 76071, 87219, 134793, 164747, 228213, 254609, 278927, 431069, 494241, 763827, 836781, 1293207, 1482723, 2291481, 2510343, 2800699, 3879621, 4741759, 7328173, 8402097, 14225277, 21984519, 22339517, 25206291, 42675831, 65953557, 67018551, 80609903, 201055653, 241829709, 245734687, 379771789, 725489127, 737204061, 1139315367, 2211612183, 3417946101, 4177489679, 6456120413, 12532469037, 19368361239, 37597407111, 58105083717, 71017324543, 213051973629, 639155920887]

約数ペア:

[(1, 639155920887), (3, 213051973629), (9, 71017324543), (11, 58105083717), (17, 37597407111), (33, 19368361239), (51, 12532469037), (99, 6456120413), (153, 4177489679), (187, 3417946101), (289, 2211612183), (561, 1139315367), (867, 737204061), (881, 725489127), (1683, 379771789), (2601, 245734687), (2643, 241829709), (3179, 201055653), (7929, 80609903), (9537, 67018551), (9691, 65953557), (14977, 42675831), (25357, 25206291), (28611, 22339517), (29073, 21984519), (44931, 14225277), (76071, 8402097), (87219, 7328173), (134793, 4741759), (164747, 3879621), (228213, 2800699), (254609, 2510343), (278927, 2291481), (431069, 1482723), (494241, 1293207), (763827, 836781)]