201509997

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{107}}^1\times {\mathrm{1123}}^1$

素因数の和:1289

約数の個数: 32

約数和(自身を含む): 299109888

約数和(自身を除く): 97599891

約数列:

[1, 3, 13, 39, 43, 107, 129, 321, 559, 1123, 1391, 1677, 3369, 4173, 4601, 13803, 14599, 43797, 48289, 59813, 120161, 144867, 179439, 360483, 627757, 1562093, 1883271, 4686279, 5166923, 15500769, 67169999, 201509997]

約数ペア:

[(1, 201509997), (3, 67169999), (13, 15500769), (39, 5166923), (43, 4686279), (107, 1883271), (129, 1562093), (321, 627757), (559, 360483), (1123, 179439), (1391, 144867), (1677, 120161), (3369, 59813), (4173, 48289), (4601, 43797), (13803, 14599)]