28150719

素因数分解:

$3^1\times {\mathrm{71}}^1\times {\mathrm{149}}^1\times {\mathrm{887}}^1$

素因数の和:1110

約数の個数: 16

約数和(自身を含む): 38361600

約数和(自身を除く): 10210881

約数列:

[1, 3, 71, 149, 213, 447, 887, 2661, 10579, 31737, 62977, 132163, 188931, 396489, 9383573, 28150719]

約数ペア:

[(1, 28150719), (3, 9383573), (71, 396489), (149, 188931), (213, 132163), (447, 62977), (887, 31737), (2661, 10579)]