770890239

素因数分解:

$3^2\times 7^1\times {\mathrm{71}}^1\times {\mathrm{172343}}^1$

素因数の和:172427

約数の個数: 24

約数和(自身を含む): 1290511872

約数和(自身を除く): 519621633

約数列:

[1, 3, 7, 9, 21, 63, 71, 213, 497, 639, 1491, 4473, 172343, 517029, 1206401, 1551087, 3619203, 10857609, 12236353, 36709059, 85654471, 110127177, 256963413, 770890239]

約数ペア:

[(1, 770890239), (3, 256963413), (7, 110127177), (9, 85654471), (21, 36709059), (63, 12236353), (71, 10857609), (213, 3619203), (497, 1551087), (639, 1206401), (1491, 517029), (4473, 172343)]