12537777

素因数分解:

$3^1\times 7^2\times {\mathrm{19}}^1\times {\mathrm{67}}^2$

素因数の和:170

約数の個数: 36

約数和(自身を含む): 20779920

約数和(自身を除く): 8242143

約数列:

[1, 3, 7, 19, 21, 49, 57, 67, 133, 147, 201, 399, 469, 931, 1273, 1407, 2793, 3283, 3819, 4489, 8911, 9849, 13467, 26733, 31423, 62377, 85291, 94269, 187131, 219961, 255873, 597037, 659883, 1791111, 4179259, 12537777]

約数ペア:

[(1, 12537777), (3, 4179259), (7, 1791111), (19, 659883), (21, 597037), (49, 255873), (57, 219961), (67, 187131), (133, 94269), (147, 85291), (201, 62377), (399, 31423), (469, 26733), (931, 13467), (1273, 9849), (1407, 8911), (2793, 4489), (3283, 3819)]