161728581

素因数分解:

$3^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{248431}}^1$

素因数の和:248472

約数の個数: 16

約数和(自身を含む): 254394368

約数和(自身を除く): 92665787

約数列:

[1, 3, 7, 21, 31, 93, 217, 651, 248431, 745293, 1739017, 5217051, 7701361, 23104083, 53909527, 161728581]

約数ペア:

[(1, 161728581), (3, 53909527), (7, 23104083), (21, 7701361), (31, 5217051), (93, 1739017), (217, 745293), (651, 248431)]