291233691

素因数分解:

$3^3\times 7^1\times {\mathrm{19}}^1\times {\mathrm{81101}}^1$

素因数の和:81136

約数の個数: 32

約数和(自身を含む): 519052800

約数和(自身を除く): 227819109

約数列:

[1, 3, 7, 9, 19, 21, 27, 57, 63, 133, 171, 189, 399, 513, 1197, 3591, 81101, 243303, 567707, 729909, 1540919, 1703121, 2189727, 4622757, 5109363, 10786433, 13868271, 15328089, 32359299, 41604813, 97077897, 291233691]

約数ペア:

[(1, 291233691), (3, 97077897), (7, 41604813), (9, 32359299), (19, 15328089), (21, 13868271), (27, 10786433), (57, 5109363), (63, 4622757), (133, 2189727), (171, 1703121), (189, 1540919), (399, 729909), (513, 567707), (1197, 243303), (3591, 81101)]