405081819

素因数分解:

$3^2\times {\mathrm{23}}^1\times {\mathrm{1181}}^1\times {\mathrm{1657}}^1$

素因数の和:2867

約数の個数: 24

約数和(自身を含む): 611443872

約数和(自身を除く): 206362053

約数列:

[1, 3, 9, 23, 69, 207, 1181, 1657, 3543, 4971, 10629, 14913, 27163, 38111, 81489, 114333, 244467, 342999, 1956917, 5870751, 17612253, 45009091, 135027273, 405081819]

約数ペア:

[(1, 405081819), (3, 135027273), (9, 45009091), (23, 17612253), (69, 5870751), (207, 1956917), (1181, 342999), (1657, 244467), (3543, 114333), (4971, 81489), (10629, 38111), (14913, 27163)]