15491121

素因数分解:

$3^1\times {\mathrm{23}}^1\times {\mathrm{347}}^1\times {\mathrm{647}}^1$

素因数の和:1020

約数の個数: 16

約数和(自身を含む): 21648384

約数和(自身を除く): 6157263

約数列:

[1, 3, 23, 69, 347, 647, 1041, 1941, 7981, 14881, 23943, 44643, 224509, 673527, 5163707, 15491121]

約数ペア:

[(1, 15491121), (3, 5163707), (23, 673527), (69, 224509), (347, 44643), (647, 23943), (1041, 14881), (1941, 7981)]