680589

素因数分解:

$3^3\times 7^1\times {\mathrm{13}}^1\times {\mathrm{277}}^1$

素因数の和:306

約数の個数: 32

約数和(自身を含む): 1245440

約数和(自身を除く): 564851

約数列:

[1, 3, 7, 9, 13, 21, 27, 39, 63, 91, 117, 189, 273, 277, 351, 819, 831, 1939, 2457, 2493, 3601, 5817, 7479, 10803, 17451, 25207, 32409, 52353, 75621, 97227, 226863, 680589]

約数ペア:

[(1, 680589), (3, 226863), (7, 97227), (9, 75621), (13, 52353), (21, 32409), (27, 25207), (39, 17451), (63, 10803), (91, 7479), (117, 5817), (189, 3601), (273, 2493), (277, 2457), (351, 1939), (819, 831)]