380709681

素因数分解:

$3^1\times {\mathrm{11}}^2\times {\mathrm{647}}^1\times {\mathrm{1621}}^1$

素因数の和:2293

約数の個数: 24

約数和(自身を含む): 559161792

約数和(自身を除く): 178452111

約数列:

[1, 3, 11, 33, 121, 363, 647, 1621, 1941, 4863, 7117, 17831, 21351, 53493, 78287, 196141, 234861, 588423, 1048787, 3146361, 11536657, 34609971, 126903227, 380709681]

約数ペア:

[(1, 380709681), (3, 126903227), (11, 34609971), (33, 11536657), (121, 3146361), (363, 1048787), (647, 588423), (1621, 234861), (1941, 196141), (4863, 78287), (7117, 53493), (17831, 21351)]