67280121

素因数分解:

$3^2\times {\mathrm{19}}^1\times {\mathrm{393451}}^1$

素因数の和:393476

約数の個数: 12

約数和(自身を含む): 102297520

約数和(自身を除く): 35017399

約数列:

[1, 3, 9, 19, 57, 171, 393451, 1180353, 3541059, 7475569, 22426707, 67280121]

約数ペア:

[(1, 67280121), (3, 22426707), (9, 7475569), (19, 3541059), (57, 1180353), (171, 393451)]