280589907

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{337}}^1\times {\mathrm{577}}^1$

素因数の和:967

約数の個数: 32

約数和(自身を含む): 415734592

約数和(自身を除く): 135144685

約数列:

[1, 3, 13, 37, 39, 111, 337, 481, 577, 1011, 1443, 1731, 4381, 7501, 12469, 13143, 21349, 22503, 37407, 64047, 162097, 194449, 277537, 486291, 583347, 832611, 2527837, 7194613, 7583511, 21583839, 93529969, 280589907]

約数ペア:

[(1, 280589907), (3, 93529969), (13, 21583839), (37, 7583511), (39, 7194613), (111, 2527837), (337, 832611), (481, 583347), (577, 486291), (1011, 277537), (1443, 194449), (1731, 162097), (4381, 64047), (7501, 37407), (12469, 22503), (13143, 21349)]