213874689

素因数分解:

$3^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{409}}^1\times {\mathrm{673}}^1$

素因数の和:1129

約数の個数: 32

約数和(自身を含む): 336029440

約数和(自身を除く): 122154751

約数列:

[1, 3, 7, 21, 37, 111, 259, 409, 673, 777, 1227, 2019, 2863, 4711, 8589, 14133, 15133, 24901, 45399, 74703, 105931, 174307, 275257, 317793, 522921, 825771, 1926799, 5780397, 10184509, 30553527, 71291563, 213874689]

約数ペア:

[(1, 213874689), (3, 71291563), (7, 30553527), (21, 10184509), (37, 5780397), (111, 1926799), (259, 825771), (409, 522921), (673, 317793), (777, 275257), (1227, 174307), (2019, 105931), (2863, 74703), (4711, 45399), (8589, 24901), (14133, 15133)]