47389743

素因数分解:

$3^2\times {\mathrm{19}}^1\times {\mathrm{431}}^1\times {\mathrm{643}}^1$

素因数の和:1099

約数の個数: 24

約数和(自身を含む): 72334080

約数和(自身を除く): 24944337

約数列:

[1, 3, 9, 19, 57, 171, 431, 643, 1293, 1929, 3879, 5787, 8189, 12217, 24567, 36651, 73701, 109953, 277133, 831399, 2494197, 5265527, 15796581, 47389743]

約数ペア:

[(1, 47389743), (3, 15796581), (9, 5265527), (19, 2494197), (57, 831399), (171, 277133), (431, 109953), (643, 73701), (1293, 36651), (1929, 24567), (3879, 12217), (5787, 8189)]