256443039

素因数分解:

$3^2\times {\mathrm{137}}^1\times {\mathrm{241}}^1\times {\mathrm{863}}^1$

素因数の和:1247

約数の個数: 24

約数和(自身を含む): 375103872

約数和(自身を除く): 118660833

約数列:

[1, 3, 9, 137, 241, 411, 723, 863, 1233, 2169, 2589, 7767, 33017, 99051, 118231, 207983, 297153, 354693, 623949, 1064079, 1871847, 28493671, 85481013, 256443039]

約数ペア:

[(1, 256443039), (3, 85481013), (9, 28493671), (137, 1871847), (241, 1064079), (411, 623949), (723, 354693), (863, 297153), (1233, 207983), (2169, 118231), (2589, 99051), (7767, 33017)]