505989

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{269}}^1$

素因数の和:305

約数の個数: 24

約数和(自身を含む): 842400

約数和(自身を除く): 336411

約数列:

[1, 3, 9, 11, 19, 33, 57, 99, 171, 209, 269, 627, 807, 1881, 2421, 2959, 5111, 8877, 15333, 26631, 45999, 56221, 168663, 505989]

約数ペア:

[(1, 505989), (3, 168663), (9, 56221), (11, 45999), (19, 26631), (33, 15333), (57, 8877), (99, 5111), (171, 2959), (209, 2421), (269, 1881), (627, 807)]