121081401

素因数分解:

$3^2\times 7^3\times {\mathrm{61}}^1\times {\mathrm{643}}^1$

素因数の和:731

約数の個数: 48

約数和(自身を含む): 207625600

約数和(自身を除く): 86544199

約数列:

[1, 3, 7, 9, 21, 49, 61, 63, 147, 183, 343, 427, 441, 549, 643, 1029, 1281, 1929, 2989, 3087, 3843, 4501, 5787, 8967, 13503, 20923, 26901, 31507, 39223, 40509, 62769, 94521, 117669, 188307, 220549, 274561, 283563, 353007, 661647, 823683, 1921927, 1984941, 2471049, 5765781, 13453489, 17297343, 40360467, 121081401]

約数ペア:

[(1, 121081401), (3, 40360467), (7, 17297343), (9, 13453489), (21, 5765781), (49, 2471049), (61, 1984941), (63, 1921927), (147, 823683), (183, 661647), (343, 353007), (427, 283563), (441, 274561), (549, 220549), (643, 188307), (1029, 117669), (1281, 94521), (1929, 62769), (2989, 40509), (3087, 39223), (3843, 31507), (4501, 26901), (5787, 20923), (8967, 13503)]