138888942

素因数分解:

$2^1\times 3^1\times {\mathrm{1109}}^1\times {\mathrm{20873}}^1$

素因数の和:21987

約数の個数: 16

約数和(自身を含む): 278041680

約数和(自身を除く): 139152738

約数列:

[1, 2, 3, 6, 1109, 2218, 3327, 6654, 20873, 41746, 62619, 125238, 23148157, 46296314, 69444471, 138888942]

約数ペア:

[(1, 138888942), (2, 69444471), (3, 46296314), (6, 23148157), (1109, 125238), (2218, 62619), (3327, 41746), (6654, 20873)]