128757465

素因数分解:

$3^3\times 5^1\times {\mathrm{457}}^1\times {\mathrm{2087}}^1$

素因数の和:2558

約数の個数: 32

約数和(自身を含む): 229512960

約数和(自身を除く): 100755495

約数列:

[1, 3, 5, 9, 15, 27, 45, 135, 457, 1371, 2087, 2285, 4113, 6261, 6855, 10435, 12339, 18783, 20565, 31305, 56349, 61695, 93915, 281745, 953759, 2861277, 4768795, 8583831, 14306385, 25751493, 42919155, 128757465]

約数ペア:

[(1, 128757465), (3, 42919155), (5, 25751493), (9, 14306385), (15, 8583831), (27, 4768795), (45, 2861277), (135, 953759), (457, 281745), (1371, 93915), (2087, 61695), (2285, 56349), (4113, 31305), (6261, 20565), (6855, 18783), (10435, 12339)]