3987687

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{149}}^1\times {\mathrm{811}}^1$

素因数の和:974

約数の個数: 16

約数和(自身を含む): 5846400

約数和(自身を除く): 1858713

約数列:

[1, 3, 11, 33, 149, 447, 811, 1639, 2433, 4917, 8921, 26763, 120839, 362517, 1329229, 3987687]

約数ペア:

[(1, 3987687), (3, 1329229), (11, 362517), (33, 120839), (149, 26763), (447, 8921), (811, 4917), (1639, 2433)]