71281998

素因数分解:

$2^1\times 3^3\times {\mathrm{1320037}}^1$

素因数の和:1320048

約数の個数: 16

約数和(自身を含む): 158404560

約数和(自身を除く): 87122562

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 1320037, 2640074, 3960111, 7920222, 11880333, 23760666, 35640999, 71281998]

約数ペア:

[(1, 71281998), (2, 35640999), (3, 23760666), (6, 11880333), (9, 7920222), (18, 3960111), (27, 2640074), (54, 1320037)]