28476021

素因数分解:

$3^1\times 7^1\times {\mathrm{787}}^1\times {\mathrm{1723}}^1$

素因数の和:2520

約数の個数: 16

約数和(自身を含む): 43472384

約数和(自身を除く): 14996363

約数列:

[1, 3, 7, 21, 787, 1723, 2361, 5169, 5509, 12061, 16527, 36183, 1356001, 4068003, 9492007, 28476021]

約数ペア:

[(1, 28476021), (3, 9492007), (7, 4068003), (21, 1356001), (787, 36183), (1723, 16527), (2361, 12061), (5169, 5509)]