13639989

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{17971}}^1$

素因数の和:18008

約数の個数: 16

約数和(自身を含む): 20703744

約数和(自身を除く): 7063755

約数列:

[1, 3, 11, 23, 33, 69, 253, 759, 17971, 53913, 197681, 413333, 593043, 1239999, 4546663, 13639989]

約数ペア:

[(1, 13639989), (3, 4546663), (11, 1239999), (23, 593043), (33, 413333), (69, 197681), (253, 53913), (759, 17971)]