1688897973

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{4232827}}^1$

素因数の和:4232856

約数の個数: 16

約数和(自身を含む): 2709009920

約数和(自身を除く): 1020111947

約数列:

[1, 3, 7, 19, 21, 57, 133, 399, 4232827, 12698481, 29629789, 80423713, 88889367, 241271139, 562965991, 1688897973]

約数ペア:

[(1, 1688897973), (3, 562965991), (7, 241271139), (19, 88889367), (21, 80423713), (57, 29629789), (133, 12698481), (399, 4232827)]