257370921

素因数分解:

$3^2\times {\mathrm{59}}^1\times {\mathrm{484691}}^1$

素因数の和:484756

約数の個数: 12

約数和(自身を含む): 378059760

約数和(自身を除く): 120688839

約数列:

[1, 3, 9, 59, 177, 531, 484691, 1454073, 4362219, 28596769, 85790307, 257370921]

約数ペア:

[(1, 257370921), (3, 85790307), (9, 28596769), (59, 4362219), (177, 1454073), (531, 484691)]