28916433

素因数分解:

$3^4\times 7^1\times {\mathrm{13}}^1\times {\mathrm{3923}}^1$

素因数の和:3955

約数の個数: 40

約数和(自身を含む): 53178048

約数和(自身を除く): 24261615

約数列:

[1, 3, 7, 9, 13, 21, 27, 39, 63, 81, 91, 117, 189, 273, 351, 567, 819, 1053, 2457, 3923, 7371, 11769, 27461, 35307, 50999, 82383, 105921, 152997, 247149, 317763, 356993, 458991, 741447, 1070979, 1376973, 2224341, 3212937, 4130919, 9638811, 28916433]

約数ペア:

[(1, 28916433), (3, 9638811), (7, 4130919), (9, 3212937), (13, 2224341), (21, 1376973), (27, 1070979), (39, 741447), (63, 458991), (81, 356993), (91, 317763), (117, 247149), (189, 152997), (273, 105921), (351, 82383), (567, 50999), (819, 35307), (1053, 27461), (2457, 11769), (3923, 7371)]