28288029

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{139}}^1\times {\mathrm{881}}^1$

素因数の和:1041

約数の個数: 32

約数和(自身を含む): 47416320

約数和(自身を除く): 19128291

約数列:

[1, 3, 7, 11, 21, 33, 77, 139, 231, 417, 881, 973, 1529, 2643, 2919, 4587, 6167, 9691, 10703, 18501, 29073, 32109, 67837, 122459, 203511, 367377, 857213, 1347049, 2571639, 4041147, 9429343, 28288029]

約数ペア:

[(1, 28288029), (3, 9429343), (7, 4041147), (11, 2571639), (21, 1347049), (33, 857213), (77, 367377), (139, 203511), (231, 122459), (417, 67837), (881, 32109), (973, 29073), (1529, 18501), (2643, 10703), (2919, 9691), (4587, 6167)]