257145208317

素因数分解:

$3^2\times {\mathrm{457}}^1\times {\mathrm{3719}}^1\times {\mathrm{16811}}^1$

素因数の和:20993

約数の個数: 24

約数和(自身を含む): 372366970560

約数和(自身を除く): 115221762243

約数列:

[1, 3, 9, 457, 1371, 3719, 4113, 11157, 16811, 33471, 50433, 151299, 1699583, 5098749, 7682627, 15296247, 23047881, 62520109, 69143643, 187560327, 562680981, 28571689813, 85715069439, 257145208317]

約数ペア:

[(1, 257145208317), (3, 85715069439), (9, 28571689813), (457, 562680981), (1371, 187560327), (3719, 69143643), (4113, 62520109), (11157, 23047881), (16811, 15296247), (33471, 7682627), (50433, 5098749), (151299, 1699583)]