12903807

素因数分解:

$3^1\times 7^2\times {\mathrm{41}}^1\times {\mathrm{2141}}^1$

素因数の和:2199

約数の個数: 24

約数和(自身を含む): 20511792

約数和(自身を除く): 7607985

約数列:

[1, 3, 7, 21, 41, 49, 123, 147, 287, 861, 2009, 2141, 6027, 6423, 14987, 44961, 87781, 104909, 263343, 314727, 614467, 1843401, 4301269, 12903807]

約数ペア:

[(1, 12903807), (3, 4301269), (7, 1843401), (21, 614467), (41, 314727), (49, 263343), (123, 104909), (147, 87781), (287, 44961), (861, 14987), (2009, 6423), (2141, 6027)]