27839973

素因数分解:

$3^1\times 7^1\times {\mathrm{61}}^1\times {\mathrm{103}}^1\times {\mathrm{211}}^1$

素因数の和:385

約数の個数: 32

約数和(自身を含む): 43743232

約数和(自身を除く): 15903259

約数列:

[1, 3, 7, 21, 61, 103, 183, 211, 309, 427, 633, 721, 1281, 1477, 2163, 4431, 6283, 12871, 18849, 21733, 38613, 43981, 65199, 90097, 131943, 152131, 270291, 456393, 1325713, 3977139, 9279991, 27839973]

約数ペア:

[(1, 27839973), (3, 9279991), (7, 3977139), (21, 1325713), (61, 456393), (103, 270291), (183, 152131), (211, 131943), (309, 90097), (427, 65199), (633, 43981), (721, 38613), (1281, 21733), (1477, 18849), (2163, 12871), (4431, 6283)]