26645883

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{139}}^1\times {\mathrm{157}}^1$

素因数の和:347

約数の個数: 32

約数和(自身を含む): 40346880

約数和(自身を除く): 13700997

約数列:

[1, 3, 11, 33, 37, 111, 139, 157, 407, 417, 471, 1221, 1529, 1727, 4587, 5143, 5181, 5809, 15429, 17427, 21823, 56573, 63899, 65469, 169719, 191697, 240053, 720159, 807451, 2422353, 8881961, 26645883]

約数ペア:

[(1, 26645883), (3, 8881961), (11, 2422353), (33, 807451), (37, 720159), (111, 240053), (139, 191697), (157, 169719), (407, 65469), (417, 63899), (471, 56573), (1221, 21823), (1529, 17427), (1727, 15429), (4587, 5809), (5143, 5181)]