20129796729

素因数分解:

$3^4\times 7^1\times {\mathrm{35502287}}^1$

素因数の和:35502306

約数の個数: 20

約数和(自身を含む): 34366214784

約数和(自身を除く): 14236418055

約数列:

[1, 3, 7, 9, 21, 27, 63, 81, 189, 567, 35502287, 106506861, 248516009, 319520583, 745548027, 958561749, 2236644081, 2875685247, 6709932243, 20129796729]

約数ペア:

[(1, 20129796729), (3, 6709932243), (7, 2875685247), (9, 2236644081), (21, 958561749), (27, 745548027), (63, 319520583), (81, 248516009), (189, 106506861), (567, 35502287)]