289178415

素因数分解:

$3^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{378011}}^1$

素因数の和:378039

約数の個数: 24

約数和(自身を含む): 530728848

約数和(自身を除く): 241550433

約数列:

[1, 3, 5, 9, 15, 17, 45, 51, 85, 153, 255, 765, 378011, 1134033, 1890055, 3402099, 5670165, 6426187, 17010495, 19278561, 32130935, 57835683, 96392805, 289178415]

約数ペア:

[(1, 289178415), (3, 96392805), (5, 57835683), (9, 32130935), (15, 19278561), (17, 17010495), (45, 6426187), (51, 5670165), (85, 3402099), (153, 1890055), (255, 1134033), (765, 378011)]