11771991

素因数分解:

$3^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{16987}}^1$

素因数の和:17011

約数の個数: 24

約数和(自身を含む): 21201024

約数和(自身を除く): 9429033

約数列:

[1, 3, 7, 9, 11, 21, 33, 63, 77, 99, 231, 693, 16987, 50961, 118909, 152883, 186857, 356727, 560571, 1070181, 1307999, 1681713, 3923997, 11771991]

約数ペア:

[(1, 11771991), (3, 3923997), (7, 1681713), (9, 1307999), (11, 1070181), (21, 560571), (33, 356727), (63, 186857), (77, 152883), (99, 118909), (231, 50961), (693, 16987)]