20730303

素因数分解:

$3^3\times {\mathrm{11}}^1\times {\mathrm{223}}^1\times {\mathrm{313}}^1$

素因数の和:556

約数の個数: 32

約数和(自身を含む): 33761280

約数和(自身を除く): 13030977

約数列:

[1, 3, 9, 11, 27, 33, 99, 223, 297, 313, 669, 939, 2007, 2453, 2817, 3443, 6021, 7359, 8451, 10329, 22077, 30987, 66231, 69799, 92961, 209397, 628191, 767789, 1884573, 2303367, 6910101, 20730303]

約数ペア:

[(1, 20730303), (3, 6910101), (9, 2303367), (11, 1884573), (27, 767789), (33, 628191), (99, 209397), (223, 92961), (297, 69799), (313, 66231), (669, 30987), (939, 22077), (2007, 10329), (2453, 8451), (2817, 7359), (3443, 6021)]