257633217

素因数分解:

$3^5\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{1361}}^1$

素因数の和:1436

約数の個数: 48

約数和(自身を含む): 416445120

約数和(自身を除く): 158811903

約数列:

[1, 3, 9, 19, 27, 41, 57, 81, 123, 171, 243, 369, 513, 779, 1107, 1361, 1539, 2337, 3321, 4083, 4617, 7011, 9963, 12249, 21033, 25859, 36747, 55801, 63099, 77577, 110241, 167403, 189297, 232731, 330723, 502209, 698193, 1060219, 1506627, 2094579, 3180657, 4519881, 6283737, 9541971, 13559643, 28625913, 85877739, 257633217]

約数ペア:

[(1, 257633217), (3, 85877739), (9, 28625913), (19, 13559643), (27, 9541971), (41, 6283737), (57, 4519881), (81, 3180657), (123, 2094579), (171, 1506627), (243, 1060219), (369, 698193), (513, 502209), (779, 330723), (1107, 232731), (1361, 189297), (1539, 167403), (2337, 110241), (3321, 77577), (4083, 63099), (4617, 55801), (7011, 36747), (9963, 25859), (12249, 21033)]