256914909

素因数分解:

$3^6\times {\mathrm{352421}}^1$

素因数の和:352439

約数の個数: 14

約数和(自身を含む): 385197246

約数和(自身を除く): 128282337

約数列:

[1, 3, 9, 27, 81, 243, 729, 352421, 1057263, 3171789, 9515367, 28546101, 85638303, 256914909]

約数ペア:

[(1, 256914909), (3, 85638303), (9, 28546101), (27, 9515367), (81, 3171789), (243, 1057263), (729, 352421)]