28751385

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{283}}^1\times {\mathrm{521}}^1$

素因数の和:825

約数の個数: 32

約数和(自身を含む): 49811328

約数和(自身を除く): 21059943

約数列:

[1, 3, 5, 13, 15, 39, 65, 195, 283, 521, 849, 1415, 1563, 2605, 3679, 4245, 6773, 7815, 11037, 18395, 20319, 33865, 55185, 101595, 147443, 442329, 737215, 1916759, 2211645, 5750277, 9583795, 28751385]

約数ペア:

[(1, 28751385), (3, 9583795), (5, 5750277), (13, 2211645), (15, 1916759), (39, 737215), (65, 442329), (195, 147443), (283, 101595), (521, 55185), (849, 33865), (1415, 20319), (1563, 18395), (2605, 11037), (3679, 7815), (4245, 6773)]