128214729

素因数分解:

$3^2\times {\mathrm{31}}^1\times {\mathrm{59}}^1\times {\mathrm{7789}}^1$

素因数の和:7885

約数の個数: 24

約数和(自身を含む): 194438400

約数和(自身を除く): 66223671

約数列:

[1, 3, 9, 31, 59, 93, 177, 279, 531, 1829, 5487, 7789, 16461, 23367, 70101, 241459, 459551, 724377, 1378653, 2173131, 4135959, 14246081, 42738243, 128214729]

約数ペア:

[(1, 128214729), (3, 42738243), (9, 14246081), (31, 4135959), (59, 2173131), (93, 1378653), (177, 724377), (279, 459551), (531, 241459), (1829, 70101), (5487, 23367), (7789, 16461)]