278345763

素因数分解:

$3^2\times {\mathrm{19}}^1\times {\mathrm{727}}^1\times {\mathrm{2239}}^1$

素因数の和:2991

約数の個数: 24

約数和(自身を含む): 423987200

約数和(自身を除く): 145641437

約数列:

[1, 3, 9, 19, 57, 171, 727, 2181, 2239, 6543, 6717, 13813, 20151, 41439, 42541, 124317, 127623, 382869, 1627753, 4883259, 14649777, 30927307, 92781921, 278345763]

約数ペア:

[(1, 278345763), (3, 92781921), (9, 30927307), (19, 14649777), (57, 4883259), (171, 1627753), (727, 382869), (2181, 127623), (2239, 124317), (6543, 42541), (6717, 41439), (13813, 20151)]