28782777

素因数分解:

$3^1\times {\mathrm{19}}^1\times {\mathrm{149}}^1\times {\mathrm{3389}}^1$

素因数の和:3560

約数の個数: 16

約数和(自身を含む): 40680000

約数和(自身を除く): 11897223

約数列:

[1, 3, 19, 57, 149, 447, 2831, 3389, 8493, 10167, 64391, 193173, 504961, 1514883, 9594259, 28782777]

約数ペア:

[(1, 28782777), (3, 9594259), (19, 1514883), (57, 504961), (149, 193173), (447, 64391), (2831, 10167), (3389, 8493)]