1915209927

素因数分解:

$3^4\times {\mathrm{641}}^1\times {\mathrm{36887}}^1$

素因数の和:37540

約数の個数: 20

約数和(自身を含む): 2865533616

約数和(自身を除く): 950323689

約数列:

[1, 3, 9, 27, 81, 641, 1923, 5769, 17307, 36887, 51921, 110661, 331983, 995949, 2987847, 23644567, 70933701, 212801103, 638403309, 1915209927]

約数ペア:

[(1, 1915209927), (3, 638403309), (9, 212801103), (27, 70933701), (81, 23644567), (641, 2987847), (1923, 995949), (5769, 331983), (17307, 110661), (36887, 51921)]