2980509

素因数分解:

$3^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{1999}}^1$

素因数の和:2080

約数の個数: 16

約数和(自身を含む): 4608000

約数和(自身を除く): 1627491

約数列:

[1, 3, 7, 21, 71, 213, 497, 1491, 1999, 5997, 13993, 41979, 141929, 425787, 993503, 2980509]

約数ペア:

[(1, 2980509), (3, 993503), (7, 425787), (21, 141929), (71, 41979), (213, 13993), (497, 5997), (1491, 1999)]