26989641

素因数分解:

$3^2\times 7^4\times {\mathrm{1249}}^1$

素因数の和:1283

約数の個数: 30

約数和(自身を含む): 45516250

約数和(自身を除く): 18526609

約数列:

[1, 3, 7, 9, 21, 49, 63, 147, 343, 441, 1029, 1249, 2401, 3087, 3747, 7203, 8743, 11241, 21609, 26229, 61201, 78687, 183603, 428407, 550809, 1285221, 2998849, 3855663, 8996547, 26989641]

約数ペア:

[(1, 26989641), (3, 8996547), (7, 3855663), (9, 2998849), (21, 1285221), (49, 550809), (63, 428407), (147, 183603), (343, 78687), (441, 61201), (1029, 26229), (1249, 21609), (2401, 11241), (3087, 8743), (3747, 7203)]