31771467

素因数分解:

$3^3\times 7^1\times {\mathrm{13}}^1\times {\mathrm{67}}^1\times {\mathrm{193}}^1$

素因数の和:289

約数の個数: 64

約数和(自身を含む): 59100160

約数和(自身を除く): 27328693

約数列:

[1, 3, 7, 9, 13, 21, 27, 39, 63, 67, 91, 117, 189, 193, 201, 273, 351, 469, 579, 603, 819, 871, 1351, 1407, 1737, 1809, 2457, 2509, 2613, 4053, 4221, 5211, 6097, 7527, 7839, 12159, 12663, 12931, 17563, 18291, 22581, 23517, 36477, 38793, 52689, 54873, 67743, 90517, 116379, 158067, 164619, 168103, 271551, 349137, 474201, 504309, 814653, 1176721, 1512927, 2443959, 3530163, 4538781, 10590489, 31771467]

約数ペア:

[(1, 31771467), (3, 10590489), (7, 4538781), (9, 3530163), (13, 2443959), (21, 1512927), (27, 1176721), (39, 814653), (63, 504309), (67, 474201), (91, 349137), (117, 271551), (189, 168103), (193, 164619), (201, 158067), (273, 116379), (351, 90517), (469, 67743), (579, 54873), (603, 52689), (819, 38793), (871, 36477), (1351, 23517), (1407, 22581), (1737, 18291), (1809, 17563), (2457, 12931), (2509, 12663), (2613, 12159), (4053, 7839), (4221, 7527), (5211, 6097)]