205612071

素因数分解:

$3^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{409}}^1\times {\mathrm{647}}^1$

素因数の和:1103

約数の個数: 32

約数和(自身を含む): 323066880

約数和(自身を除く): 117454809

約数列:

[1, 3, 7, 21, 37, 111, 259, 409, 647, 777, 1227, 1941, 2863, 4529, 8589, 13587, 15133, 23939, 45399, 71817, 105931, 167573, 264623, 317793, 502719, 793869, 1852361, 5557083, 9791051, 29373153, 68537357, 205612071]

約数ペア:

[(1, 205612071), (3, 68537357), (7, 29373153), (21, 9791051), (37, 5557083), (111, 1852361), (259, 793869), (409, 502719), (647, 317793), (777, 264623), (1227, 167573), (1941, 105931), (2863, 71817), (4529, 45399), (8589, 23939), (13587, 15133)]