278139

素因数分解:

$3^1\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{139}}^1$

素因数の和:194

約数の個数: 16

約数和(自身を含む): 403200

約数和(自身を除く): 125061

約数列:

[1, 3, 23, 29, 69, 87, 139, 417, 667, 2001, 3197, 4031, 9591, 12093, 92713, 278139]

約数ペア:

[(1, 278139), (3, 92713), (23, 12093), (29, 9591), (69, 4031), (87, 3197), (139, 2001), (417, 667)]