28249857

素因数分解:

$3^3\times {\mathrm{29}}^1\times {\mathrm{109}}^1\times {\mathrm{331}}^1$

素因数の和:478

約数の個数: 32

約数和(自身を含む): 43824000

約数和(自身を除く): 15574143

約数列:

[1, 3, 9, 27, 29, 87, 109, 261, 327, 331, 783, 981, 993, 2943, 2979, 3161, 8937, 9483, 9599, 28449, 28797, 36079, 85347, 86391, 108237, 259173, 324711, 974133, 1046291, 3138873, 9416619, 28249857]

約数ペア:

[(1, 28249857), (3, 9416619), (9, 3138873), (27, 1046291), (29, 974133), (87, 324711), (109, 259173), (261, 108237), (327, 86391), (331, 85347), (783, 36079), (981, 28797), (993, 28449), (2943, 9599), (2979, 9483), (3161, 8937)]