27225681

素因数分解:

$3^1\times 7^1\times {\mathrm{41}}^1\times {\mathrm{103}}^1\times {\mathrm{307}}^1$

素因数の和:461

約数の個数: 32

約数和(自身を含む): 43051008

約数和(自身を除く): 15825327

約数列:

[1, 3, 7, 21, 41, 103, 123, 287, 307, 309, 721, 861, 921, 2149, 2163, 4223, 6447, 12587, 12669, 29561, 31621, 37761, 88109, 88683, 94863, 221347, 264327, 664041, 1296461, 3889383, 9075227, 27225681]

約数ペア:

[(1, 27225681), (3, 9075227), (7, 3889383), (21, 1296461), (41, 664041), (103, 264327), (123, 221347), (287, 94863), (307, 88683), (309, 88109), (721, 37761), (861, 31621), (921, 29561), (2149, 12669), (2163, 12587), (4223, 6447)]