16986417

素因数分解:

$3^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{47581}}^1$

素因数の和:47608

約数の個数: 16

約数和(自身を含む): 27407232

約数和(自身を除く): 10420815

約数列:

[1, 3, 7, 17, 21, 51, 119, 357, 47581, 142743, 333067, 808877, 999201, 2426631, 5662139, 16986417]

約数ペア:

[(1, 16986417), (3, 5662139), (7, 2426631), (17, 999201), (21, 808877), (51, 333067), (119, 142743), (357, 47581)]