257788479

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{271}}^1\times {\mathrm{24391}}^1$

素因数の和:24678

約数の個数: 16

約数和(自身を含む): 371538944

約数和(自身を除く): 113750465

約数列:

[1, 3, 13, 39, 271, 813, 3523, 10569, 24391, 73173, 317083, 951249, 6609961, 19829883, 85929493, 257788479]

約数ペア:

[(1, 257788479), (3, 85929493), (13, 19829883), (39, 6609961), (271, 951249), (813, 317083), (3523, 73173), (10569, 24391)]