13431663

素因数分解:

$3^4\times 7^1\times {\mathrm{23689}}^1$

素因数の和:23708

約数の個数: 20

約数和(自身を含む): 22931920

約数和(自身を除く): 9500257

約数列:

[1, 3, 7, 9, 21, 27, 63, 81, 189, 567, 23689, 71067, 165823, 213201, 497469, 639603, 1492407, 1918809, 4477221, 13431663]

約数ペア:

[(1, 13431663), (3, 4477221), (7, 1918809), (9, 1492407), (21, 639603), (27, 497469), (63, 213201), (81, 165823), (189, 71067), (567, 23689)]