278642718

素因数分解:

$2^1\times 3^2\times {\mathrm{15480151}}^1$

素因数の和:15480159

約数の個数: 12

約数和(自身を含む): 603725928

約数和(自身を除く): 325083210

約数列:

[1, 2, 3, 6, 9, 18, 15480151, 30960302, 46440453, 92880906, 139321359, 278642718]

約数ペア:

[(1, 278642718), (2, 139321359), (3, 92880906), (6, 46440453), (9, 30960302), (18, 15480151)]