20212167

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{61}}^1\times {\mathrm{73}}^1\times {\mathrm{89}}^1$

素因数の和:243

約数の個数: 32

約数和(自身を含む): 29730240

約数和(自身を除く): 9518073

約数列:

[1, 3, 17, 51, 61, 73, 89, 183, 219, 267, 1037, 1241, 1513, 3111, 3723, 4453, 4539, 5429, 6497, 13359, 16287, 19491, 75701, 92293, 110449, 227103, 276879, 331347, 396317, 1188951, 6737389, 20212167]

約数ペア:

[(1, 20212167), (3, 6737389), (17, 1188951), (51, 396317), (61, 331347), (73, 276879), (89, 227103), (183, 110449), (219, 92293), (267, 75701), (1037, 19491), (1241, 16287), (1513, 13359), (3111, 6497), (3723, 5429), (4453, 4539)]