72281643

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{181157}}^1$

素因数の和:181186

約数の個数: 16

約数和(自身を含む): 115941120

約数和(自身を除く): 43659477

約数列:

[1, 3, 7, 19, 21, 57, 133, 399, 181157, 543471, 1268099, 3441983, 3804297, 10325949, 24093881, 72281643]

約数ペア:

[(1, 72281643), (3, 24093881), (7, 10325949), (19, 3804297), (21, 3441983), (57, 1268099), (133, 543471), (399, 181157)]