163913787

素因数分解:

$3^4\times {\mathrm{137}}^1\times {\mathrm{14771}}^1$

素因数の和:14920

約数の個数: 20

約数和(自身を含む): 246662856

約数和(自身を除く): 82749069

約数列:

[1, 3, 9, 27, 81, 137, 411, 1233, 3699, 11097, 14771, 44313, 132939, 398817, 1196451, 2023627, 6070881, 18212643, 54637929, 163913787]

約数ペア:

[(1, 163913787), (3, 54637929), (9, 18212643), (27, 6070881), (81, 2023627), (137, 1196451), (411, 398817), (1233, 132939), (3699, 44313), (11097, 14771)]