28278561

素因数分解:

$3^1\times {\mathrm{41}}^1\times {\mathrm{149}}^1\times {\mathrm{1543}}^1$

素因数の和:1736

約数の個数: 16

約数和(自身を含む): 38908800

約数和(自身を除く): 10630239

約数列:

[1, 3, 41, 123, 149, 447, 1543, 4629, 6109, 18327, 63263, 189789, 229907, 689721, 9426187, 28278561]

約数ペア:

[(1, 28278561), (3, 9426187), (41, 689721), (123, 229907), (149, 189789), (447, 63263), (1543, 18327), (4629, 6109)]