16982273

素因数分解:

$7^4\times {\mathrm{11}}^1\times {\mathrm{643}}^1$

素因数の和:682

約数の個数: 20

約数和(自身を含む): 21646128

約数和(自身を除く): 4663855

約数列:

[1, 7, 11, 49, 77, 343, 539, 643, 2401, 3773, 4501, 7073, 26411, 31507, 49511, 220549, 346577, 1543843, 2426039, 16982273]

約数ペア:

[(1, 16982273), (7, 2426039), (11, 1543843), (49, 346577), (77, 220549), (343, 49511), (539, 31507), (643, 26411), (2401, 7073), (3773, 4501)]