681909981

素因数分解:

$3^1\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{331}}^1\times {\mathrm{769}}^1$

素因数の和:1169

約数の個数: 32

約数和(自身を含む): 981657600

約数和(自身を除く): 299747619

約数列:

[1, 3, 19, 47, 57, 141, 331, 769, 893, 993, 2307, 2679, 6289, 14611, 15557, 18867, 36143, 43833, 46671, 108429, 254539, 295583, 686717, 763617, 886749, 2060151, 4836241, 11963333, 14508723, 35889999, 227303327, 681909981]

約数ペア:

[(1, 681909981), (3, 227303327), (19, 35889999), (47, 14508723), (57, 11963333), (141, 4836241), (331, 2060151), (769, 886749), (893, 763617), (993, 686717), (2307, 295583), (2679, 254539), (6289, 108429), (14611, 46671), (15557, 43833), (18867, 36143)]