13591557

素因数分解:

$3^4\times 7^1\times {\mathrm{23971}}^1$

素因数の和:23990

約数の個数: 20

約数和(自身を含む): 23204896

約数和(自身を除く): 9613339

約数列:

[1, 3, 7, 9, 21, 27, 63, 81, 189, 567, 23971, 71913, 167797, 215739, 503391, 647217, 1510173, 1941651, 4530519, 13591557]

約数ペア:

[(1, 13591557), (3, 4530519), (7, 1941651), (9, 1510173), (21, 647217), (27, 503391), (63, 215739), (81, 167797), (189, 71913), (567, 23971)]