81855999

素因数分解:

$3^2\times {\mathrm{47}}^1\times {\mathrm{193513}}^1$

素因数の和:193566

約数の個数: 12

約数和(自身を含む): 120752736

約数和(自身を除く): 38896737

約数列:

[1, 3, 9, 47, 141, 423, 193513, 580539, 1741617, 9095111, 27285333, 81855999]

約数ペア:

[(1, 81855999), (3, 27285333), (9, 9095111), (47, 1741617), (141, 580539), (423, 193513)]