15205420989

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{2163241}}^1$

素因数の和:2163329

約数の個数: 24

約数和(自身を含む): 24297534144

約数和(自身を除く): 9092113155

約数列:

[1, 3, 9, 11, 33, 71, 99, 213, 639, 781, 2343, 7029, 2163241, 6489723, 19469169, 23795651, 71386953, 153590111, 214160859, 460770333, 1382310999, 1689491221, 5068473663, 15205420989]

約数ペア:

[(1, 15205420989), (3, 5068473663), (9, 1689491221), (11, 1382310999), (33, 460770333), (71, 214160859), (99, 153590111), (213, 71386953), (639, 23795651), (781, 19469169), (2343, 6489723), (7029, 2163241)]