1289457

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{103}}^1\times {\mathrm{107}}^1$

素因数の和:229

約数の個数: 24

約数和(自身を含む): 2044224

約数和(自身を除く): 754767

約数列:

[1, 3, 9, 13, 39, 103, 107, 117, 309, 321, 927, 963, 1339, 1391, 4017, 4173, 11021, 12051, 12519, 33063, 99189, 143273, 429819, 1289457]

約数ペア:

[(1, 1289457), (3, 429819), (9, 143273), (13, 99189), (39, 33063), (103, 12519), (107, 12051), (117, 11021), (309, 4173), (321, 4017), (927, 1391), (963, 1339)]