55902021

素因数分解:

$3^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{1997}}^1$

素因数の和:2081

約数の個数: 32

約数和(自身を含む): 90021888

約数和(自身を除く): 34119867

約数列:

[1, 3, 7, 21, 31, 43, 93, 129, 217, 301, 651, 903, 1333, 1997, 3999, 5991, 9331, 13979, 27993, 41937, 61907, 85871, 185721, 257613, 433349, 601097, 1300047, 1803291, 2662001, 7986003, 18634007, 55902021]

約数ペア:

[(1, 55902021), (3, 18634007), (7, 7986003), (21, 2662001), (31, 1803291), (43, 1300047), (93, 601097), (129, 433349), (217, 257613), (301, 185721), (651, 85871), (903, 61907), (1333, 41937), (1997, 27993), (3999, 13979), (5991, 9331)]