218464641

素因数分解:

$3^3\times {\mathrm{19}}^1\times {\mathrm{425857}}^1$

素因数の和:425885

約数の個数: 16

約数和(自身を含む): 340686400

約数和(自身を除く): 122221759

約数列:

[1, 3, 9, 19, 27, 57, 171, 513, 425857, 1277571, 3832713, 8091283, 11498139, 24273849, 72821547, 218464641]

約数ペア:

[(1, 218464641), (3, 72821547), (9, 24273849), (19, 11498139), (27, 8091283), (57, 3832713), (171, 1277571), (513, 425857)]