31478601

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{37}}^1\times {\mathrm{127}}^1$

素因数の和:214

約数の個数: 64

約数和(自身を含む): 56033280

約数和(自身を除く): 24554679

約数列:

[1, 3, 7, 11, 21, 29, 33, 37, 77, 87, 111, 127, 203, 231, 259, 319, 381, 407, 609, 777, 889, 957, 1073, 1221, 1397, 2233, 2667, 2849, 3219, 3683, 4191, 4699, 6699, 7511, 8547, 9779, 11049, 11803, 14097, 22533, 25781, 29337, 32893, 35409, 40513, 51689, 77343, 82621, 98679, 121539, 136271, 155067, 247863, 283591, 361823, 408813, 850773, 953897, 1085469, 1498981, 2861691, 4496943, 10492867, 31478601]

約数ペア:

[(1, 31478601), (3, 10492867), (7, 4496943), (11, 2861691), (21, 1498981), (29, 1085469), (33, 953897), (37, 850773), (77, 408813), (87, 361823), (111, 283591), (127, 247863), (203, 155067), (231, 136271), (259, 121539), (319, 98679), (381, 82621), (407, 77343), (609, 51689), (777, 40513), (889, 35409), (957, 32893), (1073, 29337), (1221, 25781), (1397, 22533), (2233, 14097), (2667, 11803), (2849, 11049), (3219, 9779), (3683, 8547), (4191, 7511), (4699, 6699)]