218208081

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{109}}^1\times {\mathrm{7333}}^1$

素因数の和:7465

約数の個数: 32

約数和(自身を含む): 361419520

約数和(自身を除く): 143211439

約数列:

[1, 3, 7, 13, 21, 39, 91, 109, 273, 327, 763, 1417, 2289, 4251, 7333, 9919, 21999, 29757, 51331, 95329, 153993, 285987, 667303, 799297, 2001909, 2397891, 5595079, 10390861, 16785237, 31172583, 72736027, 218208081]

約数ペア:

[(1, 218208081), (3, 72736027), (7, 31172583), (13, 16785237), (21, 10390861), (39, 5595079), (91, 2397891), (109, 2001909), (273, 799297), (327, 667303), (763, 285987), (1417, 153993), (2289, 95329), (4251, 51331), (7333, 29757), (9919, 21999)]