15780039

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{107}}^1\times {\mathrm{109}}^1$

素因数の和:271

約数の個数: 32

約数和(自身を含む): 23950080

約数和(自身を除く): 8170041

約数列:

[1, 3, 11, 33, 41, 107, 109, 123, 321, 327, 451, 1177, 1199, 1353, 3531, 3597, 4387, 4469, 11663, 13161, 13407, 34989, 48257, 49159, 128293, 144771, 147477, 384879, 478183, 1434549, 5260013, 15780039]

約数ペア:

[(1, 15780039), (3, 5260013), (11, 1434549), (33, 478183), (41, 384879), (107, 147477), (109, 144771), (123, 128293), (321, 49159), (327, 48257), (451, 34989), (1177, 13407), (1199, 13161), (1353, 11663), (3531, 4469), (3597, 4387)]