18770697

素因数分解:

$3^4\times {\mathrm{11}}^1\times {\mathrm{21067}}^1$

素因数の和:21090

約数の個数: 20

約数和(自身を含む): 30590736

約数和(自身を除く): 11820039

約数列:

[1, 3, 9, 11, 27, 33, 81, 99, 297, 891, 21067, 63201, 189603, 231737, 568809, 695211, 1706427, 2085633, 6256899, 18770697]

約数ペア:

[(1, 18770697), (3, 6256899), (9, 2085633), (11, 1706427), (27, 695211), (33, 568809), (81, 231737), (99, 189603), (297, 63201), (891, 21067)]