1998723

素因数分解:

$3^1\times {\mathrm{23}}^1\times {\mathrm{83}}^1\times {\mathrm{349}}^1$

素因数の和:458

約数の個数: 16

約数和(自身を含む): 2822400

約数和(自身を除く): 823677

約数列:

[1, 3, 23, 69, 83, 249, 349, 1047, 1909, 5727, 8027, 24081, 28967, 86901, 666241, 1998723]

約数ペア:

[(1, 1998723), (3, 666241), (23, 86901), (69, 28967), (83, 24081), (249, 8027), (349, 5727), (1047, 1909)]