38868879

素因数分解:

$3^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{131}}^1\times {\mathrm{199}}^1$

素因数の和:411

約数の個数: 32

約数和(自身を含む): 60825600

約数和(自身を除く): 21956721

約数列:

[1, 3, 7, 21, 71, 131, 199, 213, 393, 497, 597, 917, 1393, 1491, 2751, 4179, 9301, 14129, 26069, 27903, 42387, 65107, 78207, 98903, 182483, 195321, 296709, 547449, 1850899, 5552697, 12956293, 38868879]

約数ペア:

[(1, 38868879), (3, 12956293), (7, 5552697), (21, 1850899), (71, 547449), (131, 296709), (199, 195321), (213, 182483), (393, 98903), (497, 78207), (597, 65107), (917, 42387), (1393, 27903), (1491, 26069), (2751, 14129), (4179, 9301)]