190080261

素因数分解:

$3^2\times 7^2\times {\mathrm{431021}}^1$

素因数の和:431041

約数の個数: 18

約数和(自身を含む): 319387302

約数和(自身を除く): 129307041

約数列:

[1, 3, 7, 9, 21, 49, 63, 147, 441, 431021, 1293063, 3017147, 3879189, 9051441, 21120029, 27154323, 63360087, 190080261]

約数ペア:

[(1, 190080261), (3, 63360087), (7, 27154323), (9, 21120029), (21, 9051441), (49, 3879189), (63, 3017147), (147, 1293063), (441, 431021)]