218857521

素因数分解:

$3^1\times {\mathrm{47}}^1\times {\mathrm{653}}^1\times {\mathrm{2377}}^1$

素因数の和:3080

約数の個数: 16

約数和(自身を含む): 298600704

約数和(自身を除く): 79743183

約数列:

[1, 3, 47, 141, 653, 1959, 2377, 7131, 30691, 92073, 111719, 335157, 1552181, 4656543, 72952507, 218857521]

約数ペア:

[(1, 218857521), (3, 72952507), (47, 4656543), (141, 1552181), (653, 335157), (1959, 111719), (2377, 92073), (7131, 30691)]