209665791

素因数分解:

$3^2\times {\mathrm{37}}^1\times {\mathrm{97}}^1\times {\mathrm{6491}}^1$

素因数の和:6631

約数の個数: 24

約数和(自身を含む): 314290704

約数和(自身を除く): 104624913

約数列:

[1, 3, 9, 37, 97, 111, 291, 333, 873, 3589, 6491, 10767, 19473, 32301, 58419, 240167, 629627, 720501, 1888881, 2161503, 5666643, 23296199, 69888597, 209665791]

約数ペア:

[(1, 209665791), (3, 69888597), (9, 23296199), (37, 5666643), (97, 2161503), (111, 1888881), (291, 720501), (333, 629627), (873, 240167), (3589, 58419), (6491, 32301), (10767, 19473)]