204151509

素因数分解:

$3^4\times {\mathrm{137}}^1\times {\mathrm{18397}}^1$

素因数の和:18546

約数の個数: 20

約数和(自身を含む): 307209804

約数和(自身を除く): 103058295

約数列:

[1, 3, 9, 27, 81, 137, 411, 1233, 3699, 11097, 18397, 55191, 165573, 496719, 1490157, 2520389, 7561167, 22683501, 68050503, 204151509]

約数ペア:

[(1, 204151509), (3, 68050503), (9, 22683501), (27, 7561167), (81, 2520389), (137, 1490157), (411, 496719), (1233, 165573), (3699, 55191), (11097, 18397)]