991743

素因数分解:

$3^1\times {\mathrm{19}}^1\times {\mathrm{127}}^1\times {\mathrm{137}}^1$

素因数の和:286

約数の個数: 16

約数和(自身を含む): 1413120

約数和(自身を除く): 421377

約数列:

[1, 3, 19, 57, 127, 137, 381, 411, 2413, 2603, 7239, 7809, 17399, 52197, 330581, 991743]

約数ペア:

[(1, 991743), (3, 330581), (19, 52197), (57, 17399), (127, 7809), (137, 7239), (381, 2603), (411, 2413)]