16621263

素因数分解:

$3^2\times {\mathrm{29}}^1\times {\mathrm{43}}^1\times {\mathrm{1481}}^1$

素因数の和:1559

約数の個数: 24

約数和(自身を含む): 25431120

約数和(自身を除く): 8809857

約数列:

[1, 3, 9, 29, 43, 87, 129, 261, 387, 1247, 1481, 3741, 4443, 11223, 13329, 42949, 63683, 128847, 191049, 386541, 573147, 1846807, 5540421, 16621263]

約数ペア:

[(1, 16621263), (3, 5540421), (9, 1846807), (29, 573147), (43, 386541), (87, 191049), (129, 128847), (261, 63683), (387, 42949), (1247, 13329), (1481, 11223), (3741, 4443)]