1390291227

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{181}}^1\times {\mathrm{65651}}^1$

素因数の和:65851

約数の個数: 24

約数和(自身を含む): 2174656848

約数和(自身を除く): 784365621

約数列:

[1, 3, 9, 13, 39, 117, 181, 543, 1629, 2353, 7059, 21177, 65651, 196953, 590859, 853463, 2560389, 7681167, 11882831, 35648493, 106945479, 154476803, 463430409, 1390291227]

約数ペア:

[(1, 1390291227), (3, 463430409), (9, 154476803), (13, 106945479), (39, 35648493), (117, 11882831), (181, 7681167), (543, 2560389), (1629, 853463), (2353, 590859), (7059, 196953), (21177, 65651)]