1997042565

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{349}}^1\times {\mathrm{54497}}^1$

素因数の和:54861

約数の個数: 32

約数和(自身を含む): 3662265600

約数和(自身を除く): 1665223035

約数列:

[1, 3, 5, 7, 15, 21, 35, 105, 349, 1047, 1745, 2443, 5235, 7329, 12215, 36645, 54497, 163491, 272485, 381479, 817455, 1144437, 1907395, 5722185, 19019453, 57058359, 95097265, 133136171, 285291795, 399408513, 665680855, 1997042565]

約数ペア:

[(1, 1997042565), (3, 665680855), (5, 399408513), (7, 285291795), (15, 133136171), (21, 95097265), (35, 57058359), (105, 19019453), (349, 5722185), (1047, 1907395), (1745, 1144437), (2443, 817455), (5235, 381479), (7329, 272485), (12215, 163491), (36645, 54497)]