1680453

素因数分解:

$3^3\times {\mathrm{109}}^1\times {\mathrm{571}}^1$

素因数の和:689

約数の個数: 16

約数和(自身を含む): 2516800

約数和(自身を除く): 836347

約数列:

[1, 3, 9, 27, 109, 327, 571, 981, 1713, 2943, 5139, 15417, 62239, 186717, 560151, 1680453]

約数ペア:

[(1, 1680453), (3, 560151), (9, 186717), (27, 62239), (109, 15417), (327, 5139), (571, 2943), (981, 1713)]