12960003

素因数分解:

$3^1\times 7^1\times {\mathrm{619}}^1\times {\mathrm{997}}^1$

素因数の和:1626

約数の個数: 16

約数和(自身を含む): 19800320

約数和(自身を除く): 6840317

約数列:

[1, 3, 7, 21, 619, 997, 1857, 2991, 4333, 6979, 12999, 20937, 617143, 1851429, 4320001, 12960003]

約数ペア:

[(1, 12960003), (3, 4320001), (7, 1851429), (21, 617143), (619, 20937), (997, 12999), (1857, 6979), (2991, 4333)]