25856739

素因数分解:

$3^4\times {\mathrm{19}}^1\times {\mathrm{53}}^1\times {\mathrm{317}}^1$

素因数の和:401

約数の個数: 40

約数和(自身を含む): 41556240

約数和(自身を除く): 15699501

約数列:

[1, 3, 9, 19, 27, 53, 57, 81, 159, 171, 317, 477, 513, 951, 1007, 1431, 1539, 2853, 3021, 4293, 6023, 8559, 9063, 16801, 18069, 25677, 27189, 50403, 54207, 81567, 151209, 162621, 319219, 453627, 487863, 957657, 1360881, 2872971, 8618913, 25856739]

約数ペア:

[(1, 25856739), (3, 8618913), (9, 2872971), (19, 1360881), (27, 957657), (53, 487863), (57, 453627), (81, 319219), (159, 162621), (171, 151209), (317, 81567), (477, 54207), (513, 50403), (951, 27189), (1007, 25677), (1431, 18069), (1539, 16801), (2853, 9063), (3021, 8559), (4293, 6023)]