254962239

素因数分解:

$3^1\times 7^2\times {\mathrm{113}}^1\times {\mathrm{15349}}^1$

素因数の和:15479

約数の個数: 24

約数和(自身を含む): 398977200

約数和(自身を除く): 144014961

約数列:

[1, 3, 7, 21, 49, 113, 147, 339, 791, 2373, 5537, 15349, 16611, 46047, 107443, 322329, 752101, 1734437, 2256303, 5203311, 12141059, 36423177, 84987413, 254962239]

約数ペア:

[(1, 254962239), (3, 84987413), (7, 36423177), (21, 12141059), (49, 5203311), (113, 2256303), (147, 1734437), (339, 752101), (791, 322329), (2373, 107443), (5537, 46047), (15349, 16611)]