81881907

素因数分解:

$3^1\times {\mathrm{83}}^1\times {\mathrm{149}}^1\times {\mathrm{2207}}^1$

素因数の和:2442

約数の個数: 16

約数和(自身を含む): 111283200

約数和(自身を除く): 29401293

約数列:

[1, 3, 83, 149, 249, 447, 2207, 6621, 12367, 37101, 183181, 328843, 549543, 986529, 27293969, 81881907]

約数ペア:

[(1, 81881907), (3, 27293969), (83, 986529), (149, 549543), (249, 328843), (447, 183181), (2207, 37101), (6621, 12367)]