1296729

素因数分解:

$3^4\times 7^1\times {\mathrm{2287}}^1$

素因数の和:2306

約数の個数: 20

約数和(自身を含む): 2214784

約数和(自身を除く): 918055

約数列:

[1, 3, 7, 9, 21, 27, 63, 81, 189, 567, 2287, 6861, 16009, 20583, 48027, 61749, 144081, 185247, 432243, 1296729]

約数ペア:

[(1, 1296729), (3, 432243), (7, 185247), (9, 144081), (21, 61749), (27, 48027), (63, 20583), (81, 16009), (189, 6861), (567, 2287)]