40013337

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{103}}^1\times {\mathrm{1423}}^1$

素因数の和:1549

約数の個数: 32

約数和(自身を含む): 66347008

約数和(自身を除く): 26333671

約数列:

[1, 3, 7, 13, 21, 39, 91, 103, 273, 309, 721, 1339, 1423, 2163, 4017, 4269, 9373, 9961, 18499, 28119, 29883, 55497, 129493, 146569, 388479, 439707, 1025983, 1905397, 3077949, 5716191, 13337779, 40013337]

約数ペア:

[(1, 40013337), (3, 13337779), (7, 5716191), (13, 3077949), (21, 1905397), (39, 1025983), (91, 439707), (103, 388479), (273, 146569), (309, 129493), (721, 55497), (1339, 29883), (1423, 28119), (2163, 18499), (4017, 9961), (4269, 9373)]