28457637

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{431}}^1\times {\mathrm{1693}}^1$

素因数の和:2140

約数の個数: 16

約数和(自身を含む): 40981248

約数和(自身を除く): 12523611

約数列:

[1, 3, 13, 39, 431, 1293, 1693, 5079, 5603, 16809, 22009, 66027, 729683, 2189049, 9485879, 28457637]

約数ペア:

[(1, 28457637), (3, 9485879), (13, 2189049), (39, 729683), (431, 66027), (1293, 22009), (1693, 16809), (5079, 5603)]