2005779

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{67}}^1\times {\mathrm{587}}^1$

素因数の和:674

約数の個数: 16

約数和(自身を含む): 2878848

約数和(自身を除く): 873069

約数列:

[1, 3, 17, 51, 67, 201, 587, 1139, 1761, 3417, 9979, 29937, 39329, 117987, 668593, 2005779]

約数ペア:

[(1, 2005779), (3, 668593), (17, 117987), (51, 39329), (67, 29937), (201, 9979), (587, 3417), (1139, 1761)]