981393

素因数分解:

$3^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{2749}}^1$

素因数の和:2776

約数の個数: 16

約数和(自身を含む): 1584000

約数和(自身を除く): 602607

約数列:

[1, 3, 7, 17, 21, 51, 119, 357, 2749, 8247, 19243, 46733, 57729, 140199, 327131, 981393]

約数ペア:

[(1, 981393), (3, 327131), (7, 140199), (17, 57729), (21, 46733), (51, 19243), (119, 8247), (357, 2749)]