2011311

素因数分解:

$3^6\times {\mathrm{31}}^1\times {\mathrm{89}}^1$

素因数の和:138

約数の個数: 28

約数和(自身を含む): 3147840

約数和(自身を除く): 1136529

約数列:

[1, 3, 9, 27, 31, 81, 89, 93, 243, 267, 279, 729, 801, 837, 2403, 2511, 2759, 7209, 7533, 8277, 21627, 22599, 24831, 64881, 74493, 223479, 670437, 2011311]

約数ペア:

[(1, 2011311), (3, 670437), (9, 223479), (27, 74493), (31, 64881), (81, 24831), (89, 22599), (93, 21627), (243, 8277), (267, 7533), (279, 7209), (729, 2759), (801, 2511), (837, 2403)]