2080321761

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{5213839}}^1$

素因数の和:5213868

約数の個数: 16

約数和(自身を含む): 3336857600

約数和(自身を除く): 1256535839

約数列:

[1, 3, 7, 19, 21, 57, 133, 399, 5213839, 15641517, 36496873, 99062941, 109490619, 297188823, 693440587, 2080321761]

約数ペア:

[(1, 2080321761), (3, 693440587), (7, 297188823), (19, 109490619), (21, 99062941), (57, 36496873), (133, 15641517), (399, 5213839)]