127693989

素因数分解:

$3^4\times {\mathrm{29}}^1\times {\mathrm{54361}}^1$

素因数の和:54402

約数の個数: 20

約数和(自身を含む): 197334060

約数和(自身を除く): 69640071

約数列:

[1, 3, 9, 27, 29, 81, 87, 261, 783, 2349, 54361, 163083, 489249, 1467747, 1576469, 4403241, 4729407, 14188221, 42564663, 127693989]

約数ペア:

[(1, 127693989), (3, 42564663), (9, 14188221), (27, 4729407), (29, 4403241), (81, 1576469), (87, 1467747), (261, 489249), (783, 163083), (2349, 54361)]