26640663

素因数分解:

$3^1\times 7^2\times {\mathrm{127}}^1\times {\mathrm{1427}}^1$

素因数の和:1571

約数の個数: 24

約数和(自身を含む): 41674752

約数和(自身を除く): 15034089

約数列:

[1, 3, 7, 21, 49, 127, 147, 381, 889, 1427, 2667, 4281, 6223, 9989, 18669, 29967, 69923, 181229, 209769, 543687, 1268603, 3805809, 8880221, 26640663]

約数ペア:

[(1, 26640663), (3, 8880221), (7, 3805809), (21, 1268603), (49, 543687), (127, 209769), (147, 181229), (381, 69923), (889, 29967), (1427, 18669), (2667, 9989), (4281, 6223)]