161712207

素因数分解:

$3^4\times {\mathrm{29}}^1\times {\mathrm{43}}^1\times {\mathrm{1601}}^1$

素因数の和:1685

約数の個数: 40

約数和(自身を含む): 255871440

約数和(自身を除く): 94159233

約数列:

[1, 3, 9, 27, 29, 43, 81, 87, 129, 261, 387, 783, 1161, 1247, 1601, 2349, 3483, 3741, 4803, 11223, 14409, 33669, 43227, 46429, 68843, 101007, 129681, 139287, 206529, 417861, 619587, 1253583, 1858761, 1996447, 3760749, 5576283, 5989341, 17968023, 53904069, 161712207]

約数ペア:

[(1, 161712207), (3, 53904069), (9, 17968023), (27, 5989341), (29, 5576283), (43, 3760749), (81, 1996447), (87, 1858761), (129, 1253583), (261, 619587), (387, 417861), (783, 206529), (1161, 139287), (1247, 129681), (1601, 101007), (2349, 68843), (3483, 46429), (3741, 43227), (4803, 33669), (11223, 14409)]