7842219

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{1997}}^1$

素因数の和:2035

約数の個数: 32

約数和(自身を含む): 13810176

約数和(自身を除く): 5967957

約数列:

[1, 3, 7, 11, 17, 21, 33, 51, 77, 119, 187, 231, 357, 561, 1309, 1997, 3927, 5991, 13979, 21967, 33949, 41937, 65901, 101847, 153769, 237643, 373439, 461307, 712929, 1120317, 2614073, 7842219]

約数ペア:

[(1, 7842219), (3, 2614073), (7, 1120317), (11, 712929), (17, 461307), (21, 373439), (33, 237643), (51, 153769), (77, 101847), (119, 65901), (187, 41937), (231, 33949), (357, 21967), (561, 13979), (1309, 5991), (1997, 3927)]