28638987

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{109}}^1\times {\mathrm{6737}}^1$

素因数の和:6862

約数の個数: 16

約数和(自身を含む): 41506080

約数和(自身を除く): 12867093

約数列:

[1, 3, 13, 39, 109, 327, 1417, 4251, 6737, 20211, 87581, 262743, 734333, 2202999, 9546329, 28638987]

約数ペア:

[(1, 28638987), (3, 9546329), (13, 2202999), (39, 734333), (109, 262743), (327, 87581), (1417, 20211), (4251, 6737)]