489345

素因数分解:

$3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{101}}^1$

素因数の和:145

約数の個数: 32

約数和(自身を含む): 881280

約数和(自身を除く): 391935

約数列:

[1, 3, 5, 15, 17, 19, 51, 57, 85, 95, 101, 255, 285, 303, 323, 505, 969, 1515, 1615, 1717, 1919, 4845, 5151, 5757, 8585, 9595, 25755, 28785, 32623, 97869, 163115, 489345]

約数ペア:

[(1, 489345), (3, 163115), (5, 97869), (15, 32623), (17, 28785), (19, 25755), (51, 9595), (57, 8585), (85, 5757), (95, 5151), (101, 4845), (255, 1919), (285, 1717), (303, 1615), (323, 1515), (505, 969)]