219949917

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{83}}^1\times {\mathrm{131}}^1\times {\mathrm{613}}^1$

素因数の和:841

約数の個数: 32

約数和(自身を含む): 326785536

約数和(自身を除く): 106835619

約数列:

[1, 3, 11, 33, 83, 131, 249, 393, 613, 913, 1441, 1839, 2739, 4323, 6743, 10873, 20229, 32619, 50879, 80303, 119603, 152637, 240909, 358809, 559669, 883333, 1679007, 2649999, 6665149, 19995447, 73316639, 219949917]

約数ペア:

[(1, 219949917), (3, 73316639), (11, 19995447), (33, 6665149), (83, 2649999), (131, 1679007), (249, 883333), (393, 559669), (613, 358809), (913, 240909), (1441, 152637), (1839, 119603), (2739, 80303), (4323, 50879), (6743, 32619), (10873, 20229)]