216812739

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{10753}}^1$

素因数の和:10827

約数の個数: 32

約数和(自身を含む): 346881024

約数和(自身を除く): 130068285

約数列:

[1, 3, 11, 13, 33, 39, 47, 141, 143, 429, 517, 611, 1551, 1833, 6721, 10753, 20163, 32259, 118283, 139789, 354849, 419367, 505391, 1516173, 1537679, 4613037, 5559301, 6570083, 16677903, 19710249, 72270913, 216812739]

約数ペア:

[(1, 216812739), (3, 72270913), (11, 19710249), (13, 16677903), (33, 6570083), (39, 5559301), (47, 4613037), (141, 1537679), (143, 1516173), (429, 505391), (517, 419367), (611, 354849), (1551, 139789), (1833, 118283), (6721, 32259), (10753, 20163)]