28659267

素因数分解:

$3^2\times 7^2\times {\mathrm{13}}^1\times {\mathrm{4999}}^1$

素因数の和:5032

約数の個数: 36

約数和(自身を含む): 51870000

約数和(自身を除く): 23210733

約数列:

[1, 3, 7, 9, 13, 21, 39, 49, 63, 91, 117, 147, 273, 441, 637, 819, 1911, 4999, 5733, 14997, 34993, 44991, 64987, 104979, 194961, 244951, 314937, 454909, 584883, 734853, 1364727, 2204559, 3184363, 4094181, 9553089, 28659267]

約数ペア:

[(1, 28659267), (3, 9553089), (7, 4094181), (9, 3184363), (13, 2204559), (21, 1364727), (39, 734853), (49, 584883), (63, 454909), (91, 314937), (117, 244951), (147, 194961), (273, 104979), (441, 64987), (637, 44991), (819, 34993), (1911, 14997), (4999, 5733)]