31891563

素因数分解:

$3^6\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{97}}^1$

素因数の和:167

約数の個数: 56

約数和(自身を含む): 53985456

約数和(自身を除く): 22093893

約数列:

[1, 3, 9, 11, 27, 33, 41, 81, 97, 99, 123, 243, 291, 297, 369, 451, 729, 873, 891, 1067, 1107, 1353, 2619, 2673, 3201, 3321, 3977, 4059, 7857, 8019, 9603, 9963, 11931, 12177, 23571, 28809, 29889, 35793, 36531, 43747, 70713, 86427, 107379, 109593, 131241, 259281, 322137, 328779, 393723, 777843, 966411, 1181169, 2899233, 3543507, 10630521, 31891563]

約数ペア:

[(1, 31891563), (3, 10630521), (9, 3543507), (11, 2899233), (27, 1181169), (33, 966411), (41, 777843), (81, 393723), (97, 328779), (99, 322137), (123, 259281), (243, 131241), (291, 109593), (297, 107379), (369, 86427), (451, 70713), (729, 43747), (873, 36531), (891, 35793), (1067, 29889), (1107, 28809), (1353, 23571), (2619, 12177), (2673, 11931), (3201, 9963), (3321, 9603), (3977, 8019), (4059, 7857)]