16679943

素因数分解:

$3^2\times 7^2\times {\mathrm{109}}^1\times {\mathrm{347}}^1$

素因数の和:476

約数の個数: 36

約数和(自身を含む): 28365480

約数和(自身を除く): 11685537

約数列:

[1, 3, 7, 9, 21, 49, 63, 109, 147, 327, 347, 441, 763, 981, 1041, 2289, 2429, 3123, 5341, 6867, 7287, 16023, 17003, 21861, 37823, 48069, 51009, 113469, 153027, 264761, 340407, 794283, 1853327, 2382849, 5559981, 16679943]

約数ペア:

[(1, 16679943), (3, 5559981), (7, 2382849), (9, 1853327), (21, 794283), (49, 340407), (63, 264761), (109, 153027), (147, 113469), (327, 51009), (347, 48069), (441, 37823), (763, 21861), (981, 17003), (1041, 16023), (2289, 7287), (2429, 6867), (3123, 5341)]