31263771

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{3301}}^1$

素因数の和:3363

約数の個数: 32

約数和(自身を含む): 53254656

約数和(自身を除く): 21990885

約数列:

[1, 3, 7, 11, 21, 33, 41, 77, 123, 231, 287, 451, 861, 1353, 3157, 3301, 9471, 9903, 23107, 36311, 69321, 108933, 135341, 254177, 406023, 762531, 947387, 1488751, 2842161, 4466253, 10421257, 31263771]

約数ペア:

[(1, 31263771), (3, 10421257), (7, 4466253), (11, 2842161), (21, 1488751), (33, 947387), (41, 762531), (77, 406023), (123, 254177), (231, 135341), (287, 108933), (451, 69321), (861, 36311), (1353, 23107), (3157, 9903), (3301, 9471)]