140188251

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{73}}^1\times {\mathrm{4813}}^1$

素因数の和:4915

約数の個数: 32

約数和(自身を含む): 227991040

約数和(自身を除く): 87802789

約数列:

[1, 3, 7, 19, 21, 57, 73, 133, 219, 399, 511, 1387, 1533, 4161, 4813, 9709, 14439, 29127, 33691, 91447, 101073, 274341, 351349, 640129, 1054047, 1920387, 2459443, 6675631, 7378329, 20026893, 46729417, 140188251]

約数ペア:

[(1, 140188251), (3, 46729417), (7, 20026893), (19, 7378329), (21, 6675631), (57, 2459443), (73, 1920387), (133, 1054047), (219, 640129), (399, 351349), (511, 274341), (1387, 101073), (1533, 91447), (4161, 33691), (4813, 29127), (9709, 14439)]