180113949

素因数分解:

$3^4\times {\mathrm{641}}^1\times {\mathrm{3469}}^1$

素因数の和:4122

約数の個数: 20

約数和(自身を含む): 269556540

約数和(自身を除く): 89442591

約数列:

[1, 3, 9, 27, 81, 641, 1923, 3469, 5769, 10407, 17307, 31221, 51921, 93663, 280989, 2223629, 6670887, 20012661, 60037983, 180113949]

約数ペア:

[(1, 180113949), (3, 60037983), (9, 20012661), (27, 6670887), (81, 2223629), (641, 280989), (1923, 93663), (3469, 51921), (5769, 31221), (10407, 17307)]