7219971

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{233}}^1\times {\mathrm{313}}^1$

素因数の和:563

約数の個数: 24

約数和(自身を含む): 11462256

約数和(自身を除く): 4242285

約数列:

[1, 3, 9, 11, 33, 99, 233, 313, 699, 939, 2097, 2563, 2817, 3443, 7689, 10329, 23067, 30987, 72929, 218787, 656361, 802219, 2406657, 7219971]

約数ペア:

[(1, 7219971), (3, 2406657), (9, 802219), (11, 656361), (33, 218787), (99, 72929), (233, 30987), (313, 23067), (699, 10329), (939, 7689), (2097, 3443), (2563, 2817)]