1972215

素因数分解:

$3^3\times 5^1\times 7^1\times {\mathrm{2087}}^1$

素因数の和:2108

約数の個数: 32

約数和(自身を含む): 4008960

約数和(自身を除く): 2036745

約数列:

[1, 3, 5, 7, 9, 15, 21, 27, 35, 45, 63, 105, 135, 189, 315, 945, 2087, 6261, 10435, 14609, 18783, 31305, 43827, 56349, 73045, 93915, 131481, 219135, 281745, 394443, 657405, 1972215]

約数ペア:

[(1, 1972215), (3, 657405), (5, 394443), (7, 281745), (9, 219135), (15, 131481), (21, 93915), (27, 73045), (35, 56349), (45, 43827), (63, 31305), (105, 18783), (135, 14609), (189, 10435), (315, 6261), (945, 2087)]