11809881

素因数分解:

$3^4\times {\mathrm{211}}^1\times {\mathrm{691}}^1$

素因数の和:914

約数の個数: 20

約数和(自身を含む): 17751184

約数和(自身を除く): 5941303

約数列:

[1, 3, 9, 27, 81, 211, 633, 691, 1899, 2073, 5697, 6219, 17091, 18657, 55971, 145801, 437403, 1312209, 3936627, 11809881]

約数ペア:

[(1, 11809881), (3, 3936627), (9, 1312209), (27, 437403), (81, 145801), (211, 55971), (633, 18657), (691, 17091), (1899, 6219), (2073, 5697)]