67698813

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{73}}^1\times {\mathrm{79}}^1$

素因数の和:218

約数の個数: 64

約数和(自身を含む): 116695040

約数和(自身を除く): 48996227

約数列:

[1, 3, 7, 13, 21, 39, 43, 73, 79, 91, 129, 219, 237, 273, 301, 511, 553, 559, 903, 949, 1027, 1533, 1659, 1677, 2847, 3081, 3139, 3397, 3913, 5767, 6643, 7189, 9417, 10191, 11739, 17301, 19929, 21567, 21973, 23779, 40369, 40807, 44161, 65919, 71337, 74971, 121107, 122421, 132483, 224913, 247981, 285649, 309127, 524797, 743943, 856947, 927381, 1574391, 1735867, 3223753, 5207601, 9671259, 22566271, 67698813]

約数ペア:

[(1, 67698813), (3, 22566271), (7, 9671259), (13, 5207601), (21, 3223753), (39, 1735867), (43, 1574391), (73, 927381), (79, 856947), (91, 743943), (129, 524797), (219, 309127), (237, 285649), (273, 247981), (301, 224913), (511, 132483), (553, 122421), (559, 121107), (903, 74971), (949, 71337), (1027, 65919), (1533, 44161), (1659, 40807), (1677, 40369), (2847, 23779), (3081, 21973), (3139, 21567), (3397, 19929), (3913, 17301), (5767, 11739), (6643, 10191), (7189, 9417)]