209810313

素因数分解:

$3^2\times {\mathrm{37}}^1\times {\mathrm{59}}^2\times {\mathrm{181}}^1$

素因数の和:342

約数の個数: 36

約数和(自身を含む): 318364228

約数和(自身を除く): 108553915

約数列:

[1, 3, 9, 37, 59, 111, 177, 181, 333, 531, 543, 1629, 2183, 3481, 6549, 6697, 10443, 10679, 19647, 20091, 31329, 32037, 60273, 96111, 128797, 386391, 395123, 630061, 1159173, 1185369, 1890183, 3556107, 5670549, 23312257, 69936771, 209810313]

約数ペア:

[(1, 209810313), (3, 69936771), (9, 23312257), (37, 5670549), (59, 3556107), (111, 1890183), (177, 1185369), (181, 1159173), (333, 630061), (531, 395123), (543, 386391), (1629, 128797), (2183, 96111), (3481, 60273), (6549, 32037), (6697, 31329), (10443, 20091), (10679, 19647)]