199907109

素因数分解:

$3^8\times {\mathrm{30469}}^1$

素因数の和:30493

約数の個数: 18

約数和(自身を含む): 299855270

約数和(自身を除く): 99948161

約数列:

[1, 3, 9, 27, 81, 243, 729, 2187, 6561, 30469, 91407, 274221, 822663, 2467989, 7403967, 22211901, 66635703, 199907109]

約数ペア:

[(1, 199907109), (3, 66635703), (9, 22211901), (27, 7403967), (81, 2467989), (243, 822663), (729, 274221), (2187, 91407), (6561, 30469)]