628895919

素因数分解:

$3^1\times {\mathrm{37}}^1\times {\mathrm{71}}^1\times {\mathrm{199}}^1\times {\mathrm{401}}^1$

素因数の和:711

約数の個数: 32

約数和(自身を含む): 879897600

約数和(自身を除く): 251001681

約数列:

[1, 3, 37, 71, 111, 199, 213, 401, 597, 1203, 2627, 7363, 7881, 14129, 14837, 22089, 28471, 42387, 44511, 79799, 85413, 239397, 522773, 1053427, 1568319, 2952563, 3160281, 5665729, 8857689, 16997187, 209631973, 628895919]

約数ペア:

[(1, 628895919), (3, 209631973), (37, 16997187), (71, 8857689), (111, 5665729), (199, 3160281), (213, 2952563), (401, 1568319), (597, 1053427), (1203, 522773), (2627, 239397), (7363, 85413), (7881, 79799), (14129, 44511), (14837, 42387), (22089, 28471)]