1409319

素因数分解:

$3^4\times {\mathrm{127}}^1\times {\mathrm{137}}^1$

素因数の和:276

約数の個数: 20

約数和(自身を含む): 2137344

約数和(自身を除く): 728025

約数列:

[1, 3, 9, 27, 81, 127, 137, 381, 411, 1143, 1233, 3429, 3699, 10287, 11097, 17399, 52197, 156591, 469773, 1409319]

約数ペア:

[(1, 1409319), (3, 469773), (9, 156591), (27, 52197), (81, 17399), (127, 11097), (137, 10287), (381, 3699), (411, 3429), (1143, 1233)]