31718709

素因数分解:

$3^4\times {\mathrm{11}}^1\times {\mathrm{97}}^1\times {\mathrm{367}}^1$

素因数の和:487

約数の個数: 40

約数和(自身を含む): 52364928

約数和(自身を除く): 20646219

約数列:

[1, 3, 9, 11, 27, 33, 81, 97, 99, 291, 297, 367, 873, 891, 1067, 1101, 2619, 3201, 3303, 4037, 7857, 9603, 9909, 12111, 28809, 29727, 35599, 36333, 86427, 106797, 108999, 320391, 326997, 391589, 961173, 1174767, 2883519, 3524301, 10572903, 31718709]

約数ペア:

[(1, 31718709), (3, 10572903), (9, 3524301), (11, 2883519), (27, 1174767), (33, 961173), (81, 391589), (97, 326997), (99, 320391), (291, 108999), (297, 106797), (367, 86427), (873, 36333), (891, 35599), (1067, 29727), (1101, 28809), (2619, 12111), (3201, 9909), (3303, 9603), (4037, 7857)]