27720483957

素因数分解:

$3^4\times {\mathrm{47}}^1\times {\mathrm{7281451}}^1$

素因数の和:7281510

約数の個数: 20

約数和(自身を含む): 42290673216

約数和(自身を除く): 14570189259

約数列:

[1, 3, 9, 27, 47, 81, 141, 423, 1269, 3807, 7281451, 21844353, 65533059, 196599177, 342228197, 589797531, 1026684591, 3080053773, 9240161319, 27720483957]

約数ペア:

[(1, 27720483957), (3, 9240161319), (9, 3080053773), (27, 1026684591), (47, 589797531), (81, 342228197), (141, 196599177), (423, 65533059), (1269, 21844353), (3807, 7281451)]