18396729

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{97}}^1\times {\mathrm{1621}}^1$

素因数の和:1737

約数の個数: 24

約数和(自身を含む): 28929992

約数和(自身を除く): 10533263

約数列:

[1, 3, 9, 13, 39, 97, 117, 291, 873, 1261, 1621, 3783, 4863, 11349, 14589, 21073, 63219, 157237, 189657, 471711, 1415133, 2044081, 6132243, 18396729]

約数ペア:

[(1, 18396729), (3, 6132243), (9, 2044081), (13, 1415133), (39, 471711), (97, 189657), (117, 157237), (291, 63219), (873, 21073), (1261, 14589), (1621, 11349), (3783, 4863)]