18021609

素因数分解:

$3^6\times {\mathrm{59}}^1\times {\mathrm{419}}^1$

素因数の和:496

約数の個数: 28

約数和(自身を含む): 27543600

約数和(自身を除く): 9521991

約数列:

[1, 3, 9, 27, 59, 81, 177, 243, 419, 531, 729, 1257, 1593, 3771, 4779, 11313, 14337, 24721, 33939, 43011, 74163, 101817, 222489, 305451, 667467, 2002401, 6007203, 18021609]

約数ペア:

[(1, 18021609), (3, 6007203), (9, 2002401), (27, 667467), (59, 305451), (81, 222489), (177, 101817), (243, 74163), (419, 43011), (531, 33939), (729, 24721), (1257, 14337), (1593, 11313), (3771, 4779)]