17211609

素因数分解:

$3^4\times {\mathrm{103}}^1\times {\mathrm{2063}}^1$

素因数の和:2178

約数の個数: 20

約数和(自身を含む): 25973376

約数和(自身を除く): 8761767

約数列:

[1, 3, 9, 27, 81, 103, 309, 927, 2063, 2781, 6189, 8343, 18567, 55701, 167103, 212489, 637467, 1912401, 5737203, 17211609]

約数ペア:

[(1, 17211609), (3, 5737203), (9, 1912401), (27, 637467), (81, 212489), (103, 167103), (309, 55701), (927, 18567), (2063, 8343), (2781, 6189)]