257558481

素因数分解:

$3^3\times {\mathrm{1021}}^1\times {\mathrm{9343}}^1$

素因数の和:10373

約数の個数: 16

約数和(自身を含む): 381982720

約数和(自身を除く): 124424239

約数列:

[1, 3, 9, 27, 1021, 3063, 9189, 9343, 27567, 28029, 84087, 252261, 9539203, 28617609, 85852827, 257558481]

約数ペア:

[(1, 257558481), (3, 85852827), (9, 28617609), (27, 9539203), (1021, 252261), (3063, 84087), (9189, 28029), (9343, 27567)]