2186109

素因数分解:

$3^4\times {\mathrm{137}}^1\times {\mathrm{197}}^1$

素因数の和:346

約数の個数: 20

約数和(自身を含む): 3306204

約数和(自身を除く): 1120095

約数列:

[1, 3, 9, 27, 81, 137, 197, 411, 591, 1233, 1773, 3699, 5319, 11097, 15957, 26989, 80967, 242901, 728703, 2186109]

約数ペア:

[(1, 2186109), (3, 728703), (9, 242901), (27, 80967), (81, 26989), (137, 15957), (197, 11097), (411, 5319), (591, 3699), (1233, 1773)]