31127397

素因数分解:

$3^1\times 7^2\times {\mathrm{37}}^1\times {\mathrm{59}}^1\times {\mathrm{97}}^1$

素因数の和:210

約数の個数: 48

約数和(自身を含む): 50944320

約数和(自身を除く): 19816923

約数列:

[1, 3, 7, 21, 37, 49, 59, 97, 111, 147, 177, 259, 291, 413, 679, 777, 1239, 1813, 2037, 2183, 2891, 3589, 4753, 5439, 5723, 6549, 8673, 10767, 14259, 15281, 17169, 25123, 40061, 45843, 75369, 106967, 120183, 175861, 211751, 280427, 320901, 527583, 635253, 841281, 1482257, 4446771, 10375799, 31127397]

約数ペア:

[(1, 31127397), (3, 10375799), (7, 4446771), (21, 1482257), (37, 841281), (49, 635253), (59, 527583), (97, 320901), (111, 280427), (147, 211751), (177, 175861), (259, 120183), (291, 106967), (413, 75369), (679, 45843), (777, 40061), (1239, 25123), (1813, 17169), (2037, 15281), (2183, 14259), (2891, 10767), (3589, 8673), (4753, 6549), (5439, 5723)]