387637893

素因数分解:

$3^4\times {\mathrm{17}}^1\times {\mathrm{281509}}^1$

素因数の和:281538

約数の個数: 20

約数和(自身を含む): 613128780

約数和(自身を除く): 225490887

約数列:

[1, 3, 9, 17, 27, 51, 81, 153, 459, 1377, 281509, 844527, 2533581, 4785653, 7600743, 14356959, 22802229, 43070877, 129212631, 387637893]

約数ペア:

[(1, 387637893), (3, 129212631), (9, 43070877), (17, 22802229), (27, 14356959), (51, 7600743), (81, 4785653), (153, 2533581), (459, 844527), (1377, 281509)]