17991117

素因数分解:

$3^2\times {\mathrm{17}}^2\times {\mathrm{6917}}^1$

素因数の和:6957

約数の個数: 18

約数和(自身を含む): 27609738

約数和(自身を除く): 9618621

約数列:

[1, 3, 9, 17, 51, 153, 289, 867, 2601, 6917, 20751, 62253, 117589, 352767, 1058301, 1999013, 5997039, 17991117]

約数ペア:

[(1, 17991117), (3, 5997039), (9, 1999013), (17, 1058301), (51, 352767), (153, 117589), (289, 62253), (867, 20751), (2601, 6917)]