87777681

素因数分解:

$3^1\times {\mathrm{17}}^2\times {\mathrm{137}}^1\times {\mathrm{739}}^1$

素因数の和:913

約数の個数: 24

約数和(自身を含む): 125403360

約数和(自身を除く): 37625679

約数列:

[1, 3, 17, 51, 137, 289, 411, 739, 867, 2217, 2329, 6987, 12563, 37689, 39593, 101243, 118779, 213571, 303729, 640713, 1721131, 5163393, 29259227, 87777681]

約数ペア:

[(1, 87777681), (3, 29259227), (17, 5163393), (51, 1721131), (137, 640713), (289, 303729), (411, 213571), (739, 118779), (867, 101243), (2217, 39593), (2329, 37689), (6987, 12563)]