17212257

素因数分解:

$3^4\times {\mathrm{23}}^1\times {\mathrm{9239}}^1$

素因数の和:9274

約数の個数: 20

約数和(自身を含む): 26832960

約数和(自身を除く): 9620703

約数列:

[1, 3, 9, 23, 27, 69, 81, 207, 621, 1863, 9239, 27717, 83151, 212497, 249453, 637491, 748359, 1912473, 5737419, 17212257]

約数ペア:

[(1, 17212257), (3, 5737419), (9, 1912473), (23, 748359), (27, 637491), (69, 249453), (81, 212497), (207, 83151), (621, 27717), (1863, 9239)]