13720671

素因数分解:

$3^4\times {\mathrm{233}}^1\times {\mathrm{727}}^1$

素因数の和:972

約数の個数: 20

約数和(自身を含む): 20612592

約数和(自身を除く): 6891921

約数列:

[1, 3, 9, 27, 81, 233, 699, 727, 2097, 2181, 6291, 6543, 18873, 19629, 58887, 169391, 508173, 1524519, 4573557, 13720671]

約数ペア:

[(1, 13720671), (3, 4573557), (9, 1524519), (27, 508173), (81, 169391), (233, 58887), (699, 19629), (727, 18873), (2097, 6543), (2181, 6291)]