247484517

素因数分解:

$3^1\times 7^1\times {\mathrm{271}}^1\times {\mathrm{43487}}^1$

素因数の和:43768

約数の個数: 16

約数和(自身を含む): 378519552

約数和(自身を除く): 131035035

約数列:

[1, 3, 7, 21, 271, 813, 1897, 5691, 43487, 130461, 304409, 913227, 11784977, 35354931, 82494839, 247484517]

約数ペア:

[(1, 247484517), (3, 82494839), (7, 35354931), (21, 11784977), (271, 913227), (813, 304409), (1897, 130461), (5691, 43487)]