128538105

素因数分解:

$3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{457}}^1\times {\mathrm{1103}}^1$

素因数の和:1585

約数の個数: 32

約数和(自身を含む): 218433024

約数和(自身を除く): 89894919

約数列:

[1, 3, 5, 15, 17, 51, 85, 255, 457, 1103, 1371, 2285, 3309, 5515, 6855, 7769, 16545, 18751, 23307, 38845, 56253, 93755, 116535, 281265, 504071, 1512213, 2520355, 7561065, 8569207, 25707621, 42846035, 128538105]

約数ペア:

[(1, 128538105), (3, 42846035), (5, 25707621), (15, 8569207), (17, 7561065), (51, 2520355), (85, 1512213), (255, 504071), (457, 281265), (1103, 116535), (1371, 93755), (2285, 56253), (3309, 38845), (5515, 23307), (6855, 18751), (7769, 16545)]