211345731

素因数分解:

$3^2\times {\mathrm{43}}^1\times {\mathrm{73}}^1\times {\mathrm{7481}}^1$

素因数の和:7603

約数の個数: 24

約数和(自身を含む): 316698096

約数和(自身を除く): 105352365

約数列:

[1, 3, 9, 43, 73, 129, 219, 387, 657, 3139, 7481, 9417, 22443, 28251, 67329, 321683, 546113, 965049, 1638339, 2895147, 4915017, 23482859, 70448577, 211345731]

約数ペア:

[(1, 211345731), (3, 70448577), (9, 23482859), (43, 4915017), (73, 2895147), (129, 1638339), (219, 965049), (387, 546113), (657, 321683), (3139, 67329), (7481, 28251), (9417, 22443)]