258784455

素因数分解:

$3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{83}}^1\times {\mathrm{12227}}^1$

素因数の和:12335

約数の個数: 32

約数和(自身を含む): 443729664

約数和(自身を除く): 184945209

約数列:

[1, 3, 5, 15, 17, 51, 83, 85, 249, 255, 415, 1245, 1411, 4233, 7055, 12227, 21165, 36681, 61135, 183405, 207859, 623577, 1014841, 1039295, 3044523, 3117885, 5074205, 15222615, 17252297, 51756891, 86261485, 258784455]

約数ペア:

[(1, 258784455), (3, 86261485), (5, 51756891), (15, 17252297), (17, 15222615), (51, 5074205), (83, 3117885), (85, 3044523), (249, 1039295), (255, 1014841), (415, 623577), (1245, 207859), (1411, 183405), (4233, 61135), (7055, 36681), (12227, 21165)]