15642009

素因数分解:

$3^2\times {\mathrm{37}}^1\times {\mathrm{107}}^1\times {\mathrm{439}}^1$

素因数の和:589

約数の個数: 24

約数和(自身を含む): 23474880

約数和(自身を除く): 7832871

約数列:

[1, 3, 9, 37, 107, 111, 321, 333, 439, 963, 1317, 3951, 3959, 11877, 16243, 35631, 46973, 48729, 140919, 146187, 422757, 1738001, 5214003, 15642009]

約数ペア:

[(1, 15642009), (3, 5214003), (9, 1738001), (37, 422757), (107, 146187), (111, 140919), (321, 48729), (333, 46973), (439, 35631), (963, 16243), (1317, 11877), (3951, 3959)]