408035961

素因数分解:

$3^4\times {\mathrm{661}}^1\times {\mathrm{7621}}^1$

素因数の和:8294

約数の個数: 20

約数和(自身を含む): 610537444

約数和(自身を除く): 202501483

約数列:

[1, 3, 9, 27, 81, 661, 1983, 5949, 7621, 17847, 22863, 53541, 68589, 205767, 617301, 5037481, 15112443, 45337329, 136011987, 408035961]

約数ペア:

[(1, 408035961), (3, 136011987), (9, 45337329), (27, 15112443), (81, 5037481), (661, 617301), (1983, 205767), (5949, 68589), (7621, 53541), (17847, 22863)]