1721167281

素因数分解:

$3^2\times {\mathrm{313}}^1\times {\mathrm{610993}}^1$

素因数の和:611312

約数の個数: 12

約数和(自身を含む): 2494077508

約数和(自身を除く): 772910227

約数列:

[1, 3, 9, 313, 939, 2817, 610993, 1832979, 5498937, 191240809, 573722427, 1721167281]

約数ペア:

[(1, 1721167281), (3, 573722427), (9, 191240809), (313, 5498937), (939, 1832979), (2817, 610993)]