8173221

素因数分解:

$3^1\times 7^1\times {\mathrm{131}}^1\times {\mathrm{2971}}^1$

素因数の和:3112

約数の個数: 16

約数和(自身を含む): 12553728

約数和(自身を除く): 4380507

約数列:

[1, 3, 7, 21, 131, 393, 917, 2751, 2971, 8913, 20797, 62391, 389201, 1167603, 2724407, 8173221]

約数ペア:

[(1, 8173221), (3, 2724407), (7, 1167603), (21, 389201), (131, 62391), (393, 20797), (917, 8913), (2751, 2971)]