257130393

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{160807}}^1$

素因数の和:160864

約数の個数: 16

約数和(自身を含む): 378220416

約数和(自身を除く): 121090023

約数列:

[1, 3, 13, 39, 41, 123, 533, 1599, 160807, 482421, 2090491, 6271473, 6593087, 19779261, 85710131, 257130393]

約数ペア:

[(1, 257130393), (3, 85710131), (13, 19779261), (39, 6593087), (41, 6271473), (123, 2090491), (533, 482421), (1599, 160807)]