257788305

素因数分解:

$3^3\times 5^1\times {\mathrm{827}}^1\times {\mathrm{2309}}^1$

素因数の和:3150

約数の個数: 32

約数和(自身を含む): 459043200

約数和(自身を除く): 201254895

約数列:

[1, 3, 5, 9, 15, 27, 45, 135, 827, 2309, 2481, 4135, 6927, 7443, 11545, 12405, 20781, 22329, 34635, 37215, 62343, 103905, 111645, 311715, 1909543, 5728629, 9547715, 17185887, 28643145, 51557661, 85929435, 257788305]

約数ペア:

[(1, 257788305), (3, 85929435), (5, 51557661), (9, 28643145), (15, 17185887), (27, 9547715), (45, 5728629), (135, 1909543), (827, 311715), (2309, 111645), (2481, 103905), (4135, 62343), (6927, 37215), (7443, 34635), (11545, 22329), (12405, 20781)]