31761639

素因数分解:

$3^4\times 7^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{139}}^1$

素因数の和:202

約数の個数: 80

約数和(自身を含む): 60712960

約数和(自身を除く): 28951321

約数列:

[1, 3, 7, 9, 13, 21, 27, 31, 39, 63, 81, 91, 93, 117, 139, 189, 217, 273, 279, 351, 403, 417, 567, 651, 819, 837, 973, 1053, 1209, 1251, 1807, 1953, 2457, 2511, 2821, 2919, 3627, 3753, 4309, 5421, 5859, 7371, 8463, 8757, 10881, 11259, 12649, 12927, 16263, 17577, 25389, 26271, 30163, 32643, 37947, 38781, 48789, 56017, 76167, 78813, 90489, 113841, 116343, 146367, 168051, 228501, 271467, 341523, 349029, 392119, 504153, 814401, 1024569, 1176357, 1512459, 2443203, 3529071, 4537377, 10587213, 31761639]

約数ペア:

[(1, 31761639), (3, 10587213), (7, 4537377), (9, 3529071), (13, 2443203), (21, 1512459), (27, 1176357), (31, 1024569), (39, 814401), (63, 504153), (81, 392119), (91, 349029), (93, 341523), (117, 271467), (139, 228501), (189, 168051), (217, 146367), (273, 116343), (279, 113841), (351, 90489), (403, 78813), (417, 76167), (567, 56017), (651, 48789), (819, 38781), (837, 37947), (973, 32643), (1053, 30163), (1209, 26271), (1251, 25389), (1807, 17577), (1953, 16263), (2457, 12927), (2511, 12649), (2821, 11259), (2919, 10881), (3627, 8757), (3753, 8463), (4309, 7371), (5421, 5859)]