427707

素因数分解:

$3^3\times 7^1\times {\mathrm{31}}^1\times {\mathrm{73}}^1$

素因数の和:120

約数の個数: 32

約数和(自身を含む): 757760

約数和(自身を除く): 330053

約数列:

[1, 3, 7, 9, 21, 27, 31, 63, 73, 93, 189, 217, 219, 279, 511, 651, 657, 837, 1533, 1953, 1971, 2263, 4599, 5859, 6789, 13797, 15841, 20367, 47523, 61101, 142569, 427707]

約数ペア:

[(1, 427707), (3, 142569), (7, 61101), (9, 47523), (21, 20367), (27, 15841), (31, 13797), (63, 6789), (73, 5859), (93, 4599), (189, 2263), (217, 1971), (219, 1953), (279, 1533), (511, 837), (651, 657)]