6989791887

素因数分解:

$3^4\times {\mathrm{13}}^1\times {\mathrm{6637979}}^1$

素因数の和:6638004

約数の個数: 20

約数和(自身を含む): 11244738120

約数和(自身を除く): 4254946233

約数列:

[1, 3, 9, 13, 27, 39, 81, 117, 351, 1053, 6637979, 19913937, 59741811, 86293727, 179225433, 258881181, 537676299, 776643543, 2329930629, 6989791887]

約数ペア:

[(1, 6989791887), (3, 2329930629), (9, 776643543), (13, 537676299), (27, 258881181), (39, 179225433), (81, 86293727), (117, 59741811), (351, 19913937), (1053, 6637979)]