991364.00000000

素因数分解:

$3^4\times {\mathrm{11}}^1\times {\mathrm{127}}^1\times {\mathrm{281}}^1$

素因数の和:431

約数の個数: 40

約数和(自身を含む): 52411392

約数和(自身を除く): 20614275

約数列:

[1, 3, 9, 11, 27, 33, 81, 99, 127, 281, 297, 381, 843, 891, 1143, 1397, 2529, 3091, 3429, 4191, 7587, 9273, 10287, 12573, 22761, 27819, 35687, 37719, 83457, 107061, 113157, 250371, 321183, 392557, 963549, 1177671, 2890647, 3533013, 10599039, 31797117]

約数ペア:

[(1, 31797117), (3, 10599039), (9, 3533013), (11, 2890647), (27, 1177671), (33, 963549), (81, 392557), (99, 321183), (127, 250371), (281, 113157), (297, 107061), (381, 83457), (843, 37719), (891, 35687), (1143, 27819), (1397, 22761), (2529, 12573), (3091, 10287), (3429, 9273), (4191, 7587)]