81623487

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{67}}^2$

素因数の和:196

約数の個数: 48

約数和(自身を含む): 131241600

約数和(自身を除く): 49618113

約数列:

[1, 3, 11, 19, 29, 33, 57, 67, 87, 201, 209, 319, 551, 627, 737, 957, 1273, 1653, 1943, 2211, 3819, 4489, 5829, 6061, 13467, 14003, 18183, 21373, 36917, 42009, 49379, 64119, 85291, 110751, 130181, 148137, 255873, 390543, 406087, 938201, 1218261, 1431991, 2473439, 2814603, 4295973, 7420317, 27207829, 81623487]

約数ペア:

[(1, 81623487), (3, 27207829), (11, 7420317), (19, 4295973), (29, 2814603), (33, 2473439), (57, 1431991), (67, 1218261), (87, 938201), (201, 406087), (209, 390543), (319, 255873), (551, 148137), (627, 130181), (737, 110751), (957, 85291), (1273, 64119), (1653, 49379), (1943, 42009), (2211, 36917), (3819, 21373), (4489, 18183), (5829, 14003), (6061, 13467)]