17798697

素因数分解:

$3^4\times 7^1\times {\mathrm{31391}}^1$

素因数の和:31410

約数の個数: 20

約数和(自身を含む): 30387456

約数和(自身を除く): 12588759

約数列:

[1, 3, 7, 9, 21, 27, 63, 81, 189, 567, 31391, 94173, 219737, 282519, 659211, 847557, 1977633, 2542671, 5932899, 17798697]

約数ペア:

[(1, 17798697), (3, 5932899), (7, 2542671), (9, 1977633), (21, 847557), (27, 659211), (63, 282519), (81, 219737), (189, 94173), (567, 31391)]