16999731

素因数分解:

$3^2\times 7^1\times {\mathrm{151}}^1\times {\mathrm{1787}}^1$

素因数の和:1951

約数の個数: 24

約数和(自身を含む): 28264704

約数和(自身を除く): 11264973

約数列:

[1, 3, 7, 9, 21, 63, 151, 453, 1057, 1359, 1787, 3171, 5361, 9513, 12509, 16083, 37527, 112581, 269837, 809511, 1888859, 2428533, 5666577, 16999731]

約数ペア:

[(1, 16999731), (3, 5666577), (7, 2428533), (9, 1888859), (21, 809511), (63, 269837), (151, 112581), (453, 37527), (1057, 16083), (1359, 12509), (1787, 9513), (3171, 5361)]