312915889

素因数分解:

${\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{97}}^1\times {\mathrm{1327}}^1$

素因数の和:1465

約数の個数: 32

約数和(自身を含む): 393555456

約数和(自身を除く): 80639567

約数列:

[1, 11, 13, 17, 97, 143, 187, 221, 1067, 1261, 1327, 1649, 2431, 13871, 14597, 17251, 18139, 21437, 22559, 128719, 189761, 235807, 248149, 293267, 1415909, 1673347, 2188223, 3225937, 18406817, 24070453, 28446899, 312915889]

約数ペア:

[(1, 312915889), (11, 28446899), (13, 24070453), (17, 18406817), (97, 3225937), (143, 2188223), (187, 1673347), (221, 1415909), (1067, 293267), (1261, 248149), (1327, 235807), (1649, 189761), (2431, 128719), (13871, 22559), (14597, 21437), (17251, 18139)]