214978239

素因数分解:

$3^3\times 7^2\times {\mathrm{162493}}^1$

素因数の和:162516

約数の個数: 24

約数和(自身を含む): 370486320

約数和(自身を除く): 155508081

約数列:

[1, 3, 7, 9, 21, 27, 49, 63, 147, 189, 441, 1323, 162493, 487479, 1137451, 1462437, 3412353, 4387311, 7962157, 10237059, 23886471, 30711177, 71659413, 214978239]

約数ペア:

[(1, 214978239), (3, 71659413), (7, 30711177), (9, 23886471), (21, 10237059), (27, 7962157), (49, 4387311), (63, 3412353), (147, 1462437), (189, 1137451), (441, 487479), (1323, 162493)]