257101839

素因数分解:

$3^2\times {\mathrm{73}}^1\times {\mathrm{491}}^1\times {\mathrm{797}}^1$

素因数の和:1367

約数の個数: 24

約数和(自身を含む): 377696592

約数和(自身を除く): 120594753

約数列:

[1, 3, 9, 73, 219, 491, 657, 797, 1473, 2391, 4419, 7173, 35843, 58181, 107529, 174543, 322587, 391327, 523629, 1173981, 3521943, 28566871, 85700613, 257101839]

約数ペア:

[(1, 257101839), (3, 85700613), (9, 28566871), (73, 3521943), (219, 1173981), (491, 523629), (657, 391327), (797, 322587), (1473, 174543), (2391, 107529), (4419, 58181), (7173, 35843)]