25704549

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{373}}^1$

素因数の和:442

約数の個数: 48

約数和(自身を含む): 43563520

約数和(自身を除く): 17858971

約数列:

[1, 3, 9, 13, 19, 31, 39, 57, 93, 117, 171, 247, 279, 373, 403, 589, 741, 1119, 1209, 1767, 2223, 3357, 3627, 4849, 5301, 7087, 7657, 11563, 14547, 21261, 22971, 34689, 43641, 63783, 68913, 92131, 104067, 150319, 219697, 276393, 450957, 659091, 829179, 1352871, 1977273, 2856061, 8568183, 25704549]

約数ペア:

[(1, 25704549), (3, 8568183), (9, 2856061), (13, 1977273), (19, 1352871), (31, 829179), (39, 659091), (57, 450957), (93, 276393), (117, 219697), (171, 150319), (247, 104067), (279, 92131), (373, 68913), (403, 63783), (589, 43641), (741, 34689), (1119, 22971), (1209, 21261), (1767, 14547), (2223, 11563), (3357, 7657), (3627, 7087), (4849, 5301)]