57282729

素因数分解:

$3^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{103}}^1\times {\mathrm{373}}^1$

素因数の和:557

約数の個数: 32

約数和(自身を含む): 89616384

約数和(自身を除く): 32333655

約数列:

[1, 3, 7, 21, 71, 103, 213, 309, 373, 497, 721, 1119, 1491, 2163, 2611, 7313, 7833, 21939, 26483, 38419, 51191, 79449, 115257, 153573, 185381, 268933, 556143, 806799, 2727749, 8183247, 19094243, 57282729]

約数ペア:

[(1, 57282729), (3, 19094243), (7, 8183247), (21, 2727749), (71, 806799), (103, 556143), (213, 268933), (309, 185381), (373, 153573), (497, 115257), (721, 79449), (1119, 51191), (1491, 38419), (2163, 26483), (2611, 21939), (7313, 7833)]