31130715

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{26953}}^1$

素因数の和:26979

約数の個数: 32

約数和(自身を含む): 62102016

約数和(自身を除く): 30971301

約数列:

[1, 3, 5, 7, 11, 15, 21, 33, 35, 55, 77, 105, 165, 231, 385, 1155, 26953, 80859, 134765, 188671, 296483, 404295, 566013, 889449, 943355, 1482415, 2075381, 2830065, 4447245, 6226143, 10376905, 31130715]

約数ペア:

[(1, 31130715), (3, 10376905), (5, 6226143), (7, 4447245), (11, 2830065), (15, 2075381), (21, 1482415), (33, 943355), (35, 889449), (55, 566013), (77, 404295), (105, 296483), (165, 188671), (231, 134765), (385, 80859), (1155, 26953)]