28407147

素因数分解:

$3^1\times {\mathrm{19}}^1\times {\mathrm{73}}^1\times {\mathrm{6827}}^1$

素因数の和:6922

約数の個数: 16

約数和(自身を含む): 40421760

約数和(自身を除く): 12014613

約数列:

[1, 3, 19, 57, 73, 219, 1387, 4161, 6827, 20481, 129713, 389139, 498371, 1495113, 9469049, 28407147]

約数ペア:

[(1, 28407147), (3, 9469049), (19, 1495113), (57, 498371), (73, 389139), (219, 129713), (1387, 20481), (4161, 6827)]