159138

素因数分解:

$2^1\times 3^3\times 7^1\times {\mathrm{421}}^1$

素因数の和:439

約数の個数: 32

約数和(自身を含む): 405120

約数和(自身を除く): 245982

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 27, 42, 54, 63, 126, 189, 378, 421, 842, 1263, 2526, 2947, 3789, 5894, 7578, 8841, 11367, 17682, 22734, 26523, 53046, 79569, 159138]

約数ペア:

[(1, 159138), (2, 79569), (3, 53046), (6, 26523), (7, 22734), (9, 17682), (14, 11367), (18, 8841), (21, 7578), (27, 5894), (42, 3789), (54, 2947), (63, 2526), (126, 1263), (189, 842), (378, 421)]