1197909

素因数分解:

$3^4\times {\mathrm{23}}^1\times {\mathrm{643}}^1$

素因数の和:678

約数の個数: 20

約数和(自身を含む): 1870176

約数和(自身を除く): 672267

約数列:

[1, 3, 9, 23, 27, 69, 81, 207, 621, 643, 1863, 1929, 5787, 14789, 17361, 44367, 52083, 133101, 399303, 1197909]

約数ペア:

[(1, 1197909), (3, 399303), (9, 133101), (23, 52083), (27, 44367), (69, 17361), (81, 14789), (207, 5787), (621, 1929), (643, 1863)]