66390987

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{139}}^1\times {\mathrm{331}}^1$

素因数の和:523

約数の個数: 32

約数和(自身を含む): 98909440

約数和(自身を除く): 32518453

約数列:

[1, 3, 13, 37, 39, 111, 139, 331, 417, 481, 993, 1443, 1807, 4303, 5143, 5421, 12247, 12909, 15429, 36741, 46009, 66859, 138027, 159211, 200577, 477633, 598117, 1702333, 1794351, 5106999, 22130329, 66390987]

約数ペア:

[(1, 66390987), (3, 22130329), (13, 5106999), (37, 1794351), (39, 1702333), (111, 598117), (139, 477633), (331, 200577), (417, 159211), (481, 138027), (993, 66859), (1443, 46009), (1807, 36741), (4303, 15429), (5143, 12909), (5421, 12247)]