178800939

素因数分解:

$3^4\times {\mathrm{643}}^1\times {\mathrm{3433}}^1$

素因数の和:4088

約数の個数: 20

約数和(自身を含む): 267591016

約数和(自身を除く): 88790077

約数列:

[1, 3, 9, 27, 81, 643, 1929, 3433, 5787, 10299, 17361, 30897, 52083, 92691, 278073, 2207419, 6622257, 19866771, 59600313, 178800939]

約数ペア:

[(1, 178800939), (3, 59600313), (9, 19866771), (27, 6622257), (81, 2207419), (643, 278073), (1929, 92691), (3433, 52083), (5787, 30897), (10299, 17361)]