278670147

素因数分解:

$3^1\times 7^1\times {\mathrm{683}}^1\times {\mathrm{19429}}^1$

素因数の和:20122

約数の個数: 16

約数和(自身を含む): 425283840

約数和(自身を除く): 146613693

約数列:

[1, 3, 7, 21, 683, 2049, 4781, 14343, 19429, 58287, 136003, 408009, 13270007, 39810021, 92890049, 278670147]

約数ペア:

[(1, 278670147), (3, 92890049), (7, 39810021), (21, 13270007), (683, 408009), (2049, 136003), (4781, 58287), (14343, 19429)]