89871387

素因数分解:

$3^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{181}}^1\times {\mathrm{281}}^1$

素因数の和:515

約数の個数: 32

約数和(自身を含む): 131389440

約数和(自身を除く): 41518053

約数列:

[1, 3, 19, 31, 57, 93, 181, 281, 543, 589, 843, 1767, 3439, 5339, 5611, 8711, 10317, 16017, 16833, 26133, 50861, 106609, 152583, 165509, 319827, 496527, 966359, 1576691, 2899077, 4730073, 29957129, 89871387]

約数ペア:

[(1, 89871387), (3, 29957129), (19, 4730073), (31, 2899077), (57, 1576691), (93, 966359), (181, 496527), (281, 319827), (543, 165509), (589, 152583), (843, 106609), (1767, 50861), (3439, 26133), (5339, 16833), (5611, 16017), (8711, 10317)]