194667921

素因数分解:

$3^3\times 7^1\times {\mathrm{1029989}}^1$

素因数の和:1030005

約数の個数: 16

約数和(自身を含む): 329596800

約数和(自身を除く): 134928879

約数列:

[1, 3, 7, 9, 21, 27, 63, 189, 1029989, 3089967, 7209923, 9269901, 21629769, 27809703, 64889307, 194667921]

約数ペア:

[(1, 194667921), (3, 64889307), (7, 27809703), (9, 21629769), (21, 9269901), (27, 7209923), (63, 3089967), (189, 1029989)]