216830397

素因数分解:

$3^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{179}}^1\times {\mathrm{1559}}^1$

素因数の和:1785

約数の個数: 32

約数和(自身を含む): 341452800

約数和(自身を除く): 124622403

約数列:

[1, 3, 7, 21, 37, 111, 179, 259, 537, 777, 1253, 1559, 3759, 4677, 6623, 10913, 19869, 32739, 46361, 57683, 139083, 173049, 279061, 403781, 837183, 1211343, 1953427, 5860281, 10325257, 30975771, 72276799, 216830397]

約数ペア:

[(1, 216830397), (3, 72276799), (7, 30975771), (21, 10325257), (37, 5860281), (111, 1953427), (179, 1211343), (259, 837183), (537, 403781), (777, 279061), (1253, 173049), (1559, 139083), (3759, 57683), (4677, 46361), (6623, 32739), (10913, 19869)]