16291521

素因数分解:

$3^2\times {\mathrm{23}}^1\times {\mathrm{211}}^1\times {\mathrm{373}}^1$

素因数の和:613

約数の個数: 24

約数和(自身を含む): 24737856

約数和(自身を除く): 8446335

約数列:

[1, 3, 9, 23, 69, 207, 211, 373, 633, 1119, 1899, 3357, 4853, 8579, 14559, 25737, 43677, 77211, 78703, 236109, 708327, 1810169, 5430507, 16291521]

約数ペア:

[(1, 16291521), (3, 5430507), (9, 1810169), (23, 708327), (69, 236109), (207, 78703), (211, 77211), (373, 43677), (633, 25737), (1119, 14559), (1899, 8579), (3357, 4853)]