257788553673

素因数分解:

$3^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{2579}}^1\times {\mathrm{279991}}^1$

素因数の和:282597

約数の個数: 32

約数和(自身を含む): 416090511360

約数和(自身を除く): 158301957687

約数列:

[1, 3, 7, 17, 21, 51, 119, 357, 2579, 7737, 18053, 43843, 54159, 131529, 279991, 306901, 839973, 920703, 1959937, 4759847, 5879811, 14279541, 33318929, 99956787, 722096789, 2166290367, 5054677523, 12275645413, 15164032569, 36826936239, 85929517891, 257788553673]

約数ペア:

[(1, 257788553673), (3, 85929517891), (7, 36826936239), (17, 15164032569), (21, 12275645413), (51, 5054677523), (119, 2166290367), (357, 722096789), (2579, 99956787), (7737, 33318929), (18053, 14279541), (43843, 5879811), (54159, 4759847), (131529, 1959937), (279991, 920703), (306901, 839973)]