81845729

素因数分解:

$7^2\times {\mathrm{1091}}^1\times {\mathrm{1531}}^1$

素因数の和:2636

約数の個数: 12

約数和(自身を含む): 95357808

約数和(自身を除く): 13512079

約数列:

[1, 7, 49, 1091, 1531, 7637, 10717, 53459, 75019, 1670321, 11692247, 81845729]

約数ペア:

[(1, 81845729), (7, 11692247), (49, 1670321), (1091, 75019), (1531, 53459), (7637, 10717)]