816858

素因数分解:

$2^1\times 3^3\times 7^1\times {\mathrm{2161}}^1$

素因数の和:2179

約数の個数: 32

約数和(自身を含む): 2075520

約数和(自身を除く): 1258662

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 27, 42, 54, 63, 126, 189, 378, 2161, 4322, 6483, 12966, 15127, 19449, 30254, 38898, 45381, 58347, 90762, 116694, 136143, 272286, 408429, 816858]

約数ペア:

[(1, 816858), (2, 408429), (3, 272286), (6, 136143), (7, 116694), (9, 90762), (14, 58347), (18, 45381), (21, 38898), (27, 30254), (42, 19449), (54, 15127), (63, 12966), (126, 6483), (189, 4322), (378, 2161)]