12989907

素因数分解:

$3^2\times 7^1\times {\mathrm{41}}^1\times {\mathrm{47}}^1\times {\mathrm{107}}^1$

素因数の和:208

約数の個数: 48

約数和(自身を含む): 22643712

約数和(自身を除く): 9653805

約数列:

[1, 3, 7, 9, 21, 41, 47, 63, 107, 123, 141, 287, 321, 329, 369, 423, 749, 861, 963, 987, 1927, 2247, 2583, 2961, 4387, 5029, 5781, 6741, 13161, 13489, 15087, 17343, 30709, 35203, 39483, 40467, 45261, 92127, 105609, 121401, 206189, 276381, 316827, 618567, 1443323, 1855701, 4329969, 12989907]

約数ペア:

[(1, 12989907), (3, 4329969), (7, 1855701), (9, 1443323), (21, 618567), (41, 316827), (47, 276381), (63, 206189), (107, 121401), (123, 105609), (141, 92127), (287, 45261), (321, 40467), (329, 39483), (369, 35203), (423, 30709), (749, 17343), (861, 15087), (963, 13489), (987, 13161), (1927, 6741), (2247, 5781), (2583, 5029), (2961, 4387)]