30821841

素因数分解:

$3^2\times {\mathrm{43}}^1\times {\mathrm{73}}^1\times {\mathrm{1091}}^1$

素因数の和:1213

約数の個数: 24

約数和(自身を含む): 46222176

約数和(自身を除く): 15400335

約数列:

[1, 3, 9, 43, 73, 129, 219, 387, 657, 1091, 3139, 3273, 9417, 9819, 28251, 46913, 79643, 140739, 238929, 422217, 716787, 3424649, 10273947, 30821841]

約数ペア:

[(1, 30821841), (3, 10273947), (9, 3424649), (43, 716787), (73, 422217), (129, 238929), (219, 140739), (387, 79643), (657, 46913), (1091, 28251), (3139, 9819), (3273, 9417)]