13556403

素因数分解:

$3^4\times 7^1\times {\mathrm{23909}}^1$

素因数の和:23928

約数の個数: 20

約数和(自身を含む): 23144880

約数和(自身を除く): 9588477

約数列:

[1, 3, 7, 9, 21, 27, 63, 81, 189, 567, 23909, 71727, 167363, 215181, 502089, 645543, 1506267, 1936629, 4518801, 13556403]

約数ペア:

[(1, 13556403), (3, 4518801), (7, 1936629), (9, 1506267), (21, 645543), (27, 502089), (63, 215181), (81, 167363), (189, 71727), (567, 23909)]