28784613

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{229}}^1\times {\mathrm{293}}^1$

素因数の和:549

約数の個数: 32

約数和(自身を含む): 45440640

約数和(自身を除く): 16656027

約数列:

[1, 3, 11, 13, 33, 39, 143, 229, 293, 429, 687, 879, 2519, 2977, 3223, 3809, 7557, 8931, 9669, 11427, 32747, 41899, 67097, 98241, 125697, 201291, 738067, 872261, 2214201, 2616783, 9594871, 28784613]

約数ペア:

[(1, 28784613), (3, 9594871), (11, 2616783), (13, 2214201), (33, 872261), (39, 738067), (143, 201291), (229, 125697), (293, 98241), (429, 67097), (687, 41899), (879, 32747), (2519, 11427), (2977, 9669), (3223, 8931), (3809, 7557)]