31441137

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{53}}^2$

素因数の和:170

約数の個数: 48

約数和(自身を含む): 53870208

約数和(自身を除く): 22429071

約数列:

[1, 3, 7, 13, 21, 39, 41, 53, 91, 123, 159, 273, 287, 371, 533, 689, 861, 1113, 1599, 2067, 2173, 2809, 3731, 4823, 6519, 8427, 11193, 14469, 15211, 19663, 28249, 36517, 45633, 58989, 84747, 109551, 115169, 197743, 255619, 345507, 593229, 766857, 806183, 1497197, 2418549, 4491591, 10480379, 31441137]

約数ペア:

[(1, 31441137), (3, 10480379), (7, 4491591), (13, 2418549), (21, 1497197), (39, 806183), (41, 766857), (53, 593229), (91, 345507), (123, 255619), (159, 197743), (273, 115169), (287, 109551), (371, 84747), (533, 58989), (689, 45633), (861, 36517), (1113, 28249), (1599, 19663), (2067, 15211), (2173, 14469), (2809, 11193), (3731, 8427), (4823, 6519)]