81324145

素因数分解:

$5^1\times 7^1\times {\mathrm{131}}^1\times {\mathrm{17737}}^1$

素因数の和:17880

約数の個数: 16

約数和(自身を含む): 112387968

約数和(自身を除く): 31063823

約数列:

[1, 5, 7, 35, 131, 655, 917, 4585, 17737, 88685, 124159, 620795, 2323547, 11617735, 16264829, 81324145]

約数ペア:

[(1, 81324145), (5, 16264829), (7, 11617735), (35, 2323547), (131, 620795), (655, 124159), (917, 88685), (4585, 17737)]