31278135

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{83}}^1\times {\mathrm{97}}^1$

素因数の和:232

約数の個数: 64

約数和(自身を含む): 60060672

約数和(自身を除く): 28782537

約数列:

[1, 3, 5, 7, 15, 21, 35, 37, 83, 97, 105, 111, 185, 249, 259, 291, 415, 485, 555, 581, 679, 777, 1245, 1295, 1455, 1743, 2037, 2905, 3071, 3395, 3589, 3885, 8051, 8715, 9213, 10185, 10767, 15355, 17945, 21497, 24153, 25123, 40255, 46065, 53835, 56357, 64491, 75369, 107485, 120765, 125615, 169071, 281785, 297887, 322455, 376845, 845355, 893661, 1489435, 2085209, 4468305, 6255627, 10426045, 31278135]

約数ペア:

[(1, 31278135), (3, 10426045), (5, 6255627), (7, 4468305), (15, 2085209), (21, 1489435), (35, 893661), (37, 845355), (83, 376845), (97, 322455), (105, 297887), (111, 281785), (185, 169071), (249, 125615), (259, 120765), (291, 107485), (415, 75369), (485, 64491), (555, 56357), (581, 53835), (679, 46065), (777, 40255), (1245, 25123), (1295, 24153), (1455, 21497), (1743, 17945), (2037, 15355), (2905, 10767), (3071, 10185), (3395, 9213), (3589, 8715), (3885, 8051)]