208688031

素因数分解:

$3^2\times {\mathrm{29}}^1\times {\mathrm{97}}^1\times {\mathrm{8243}}^1$

素因数の和:8375

約数の個数: 24

約数和(自身を含む): 315085680

約数和(自身を除く): 106397649

約数列:

[1, 3, 9, 29, 87, 97, 261, 291, 873, 2813, 8243, 8439, 24729, 25317, 74187, 239047, 717141, 799571, 2151423, 2398713, 7196139, 23187559, 69562677, 208688031]

約数ペア:

[(1, 208688031), (3, 69562677), (9, 23187559), (29, 7196139), (87, 2398713), (97, 2151423), (261, 799571), (291, 717141), (873, 239047), (2813, 74187), (8243, 25317), (8439, 24729)]