28525719

素因数分解:

$3^1\times {\mathrm{67}}^1\times {\mathrm{139}}^1\times {\mathrm{1021}}^1$

素因数の和:1230

約数の個数: 16

約数和(自身を含む): 38917760

約数和(自身を除く): 10392041

約数列:

[1, 3, 67, 139, 201, 417, 1021, 3063, 9313, 27939, 68407, 141919, 205221, 425757, 9508573, 28525719]

約数ペア:

[(1, 28525719), (3, 9508573), (67, 425757), (139, 205221), (201, 141919), (417, 68407), (1021, 27939), (3063, 9313)]