13400421

素因数分解:

$3^1\times {\mathrm{23}}^1\times {\mathrm{157}}^1\times {\mathrm{1237}}^1$

素因数の和:1420

約数の個数: 16

約数和(自身を含む): 18777984

約数和(自身を除く): 5377563

約数列:

[1, 3, 23, 69, 157, 471, 1237, 3611, 3711, 10833, 28451, 85353, 194209, 582627, 4466807, 13400421]

約数ペア:

[(1, 13400421), (3, 4466807), (23, 582627), (69, 194209), (157, 85353), (471, 28451), (1237, 10833), (3611, 3711)]