85811961

素因数分解:

$3^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{157}}^1\times {\mathrm{223}}^1$

素因数の和:445

約数の個数: 32

約数和(自身を含む): 124579840

約数和(自身を除く): 38767879

約数列:

[1, 3, 19, 43, 57, 129, 157, 223, 471, 669, 817, 2451, 2983, 4237, 6751, 8949, 9589, 12711, 20253, 28767, 35011, 105033, 128269, 182191, 384807, 546573, 665209, 1505473, 1995627, 4516419, 28603987, 85811961]

約数ペア:

[(1, 85811961), (3, 28603987), (19, 4516419), (43, 1995627), (57, 1505473), (129, 665209), (157, 546573), (223, 384807), (471, 182191), (669, 128269), (817, 105033), (2451, 35011), (2983, 28767), (4237, 20253), (6751, 12711), (8949, 9589)]