3987777

素因数分解:

$3^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{1627}}^1$

素因数の和:1692

約数の個数: 16

約数和(自身を含む): 5730560

約数和(自身を除く): 1742783

約数列:

[1, 3, 19, 43, 57, 129, 817, 1627, 2451, 4881, 30913, 69961, 92739, 209883, 1329259, 3987777]

約数ペア:

[(1, 3987777), (3, 1329259), (19, 209883), (43, 92739), (57, 69961), (129, 30913), (817, 4881), (1627, 2451)]