42400239

素因数分解:

$3^1\times 7^2\times {\mathrm{211}}^1\times {\mathrm{1367}}^1$

素因数の和:1595

約数の個数: 24

約数和(自身を含む): 66123648

約数和(自身を除く): 23723409

約数列:

[1, 3, 7, 21, 49, 147, 211, 633, 1367, 1477, 4101, 4431, 9569, 10339, 28707, 31017, 66983, 200949, 288437, 865311, 2019059, 6057177, 14133413, 42400239]

約数ペア:

[(1, 42400239), (3, 14133413), (7, 6057177), (21, 2019059), (49, 865311), (147, 288437), (211, 200949), (633, 66983), (1367, 31017), (1477, 28707), (4101, 10339), (4431, 9569)]