87967719

素因数分解:

$3^2\times 7^1\times {\mathrm{251}}^1\times {\mathrm{5563}}^1$

素因数の和:5827

約数の個数: 24

約数和(自身を含む): 145821312

約数和(自身を除く): 57853593

約数列:

[1, 3, 7, 9, 21, 63, 251, 753, 1757, 2259, 5271, 5563, 15813, 16689, 38941, 50067, 116823, 350469, 1396313, 4188939, 9774191, 12566817, 29322573, 87967719]

約数ペア:

[(1, 87967719), (3, 29322573), (7, 12566817), (9, 9774191), (21, 4188939), (63, 1396313), (251, 350469), (753, 116823), (1757, 50067), (2259, 38941), (5271, 16689), (5563, 15813)]