11566989

素因数分解:

$3^3\times 7^3\times {\mathrm{1249}}^1$

素因数の和:1279

約数の個数: 32

約数和(自身を含む): 20000000

約数和(自身を除く): 8433011

約数列:

[1, 3, 7, 9, 21, 27, 49, 63, 147, 189, 343, 441, 1029, 1249, 1323, 3087, 3747, 8743, 9261, 11241, 26229, 33723, 61201, 78687, 183603, 236061, 428407, 550809, 1285221, 1652427, 3855663, 11566989]

約数ペア:

[(1, 11566989), (3, 3855663), (7, 1652427), (9, 1285221), (21, 550809), (27, 428407), (49, 236061), (63, 183603), (147, 78687), (189, 61201), (343, 33723), (441, 26229), (1029, 11241), (1249, 9261), (1323, 8743), (3087, 3747)]