2993991

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{997}}^1$

素因数の和:1031

約数の個数: 32

約数和(自身を含む): 5365248

約数和(自身を除く): 2371257

約数列:

[1, 3, 7, 11, 13, 21, 33, 39, 77, 91, 143, 231, 273, 429, 997, 1001, 2991, 3003, 6979, 10967, 12961, 20937, 32901, 38883, 76769, 90727, 142571, 230307, 272181, 427713, 997997, 2993991]

約数ペア:

[(1, 2993991), (3, 997997), (7, 427713), (11, 272181), (13, 230307), (21, 142571), (33, 90727), (39, 76769), (77, 38883), (91, 32901), (143, 20937), (231, 12961), (273, 10967), (429, 6979), (997, 3003), (1001, 2991)]