275717211

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{16811}}^1$

素因数の和:16903

約数の個数: 32

約数和(自身を含む): 464818176

約数和(自身を除く): 189100965

約数列:

[1, 3, 7, 11, 21, 33, 71, 77, 213, 231, 497, 781, 1491, 2343, 5467, 16401, 16811, 50433, 117677, 184921, 353031, 554763, 1193581, 1294447, 3580743, 3883341, 8355067, 13129391, 25065201, 39388173, 91905737, 275717211]

約数ペア:

[(1, 275717211), (3, 91905737), (7, 39388173), (11, 25065201), (21, 13129391), (33, 8355067), (71, 3883341), (77, 3580743), (213, 1294447), (231, 1193581), (497, 554763), (781, 353031), (1491, 184921), (2343, 117677), (5467, 50433), (16401, 16811)]