15120315

素因数分解:

$3^2\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{2087}}^1$

素因数の和:2128

約数の個数: 48

約数和(自身を含む): 31269888

約数和(自身を除く): 16149573

約数列:

[1, 3, 5, 7, 9, 15, 21, 23, 35, 45, 63, 69, 105, 115, 161, 207, 315, 345, 483, 805, 1035, 1449, 2087, 2415, 6261, 7245, 10435, 14609, 18783, 31305, 43827, 48001, 73045, 93915, 131481, 144003, 219135, 240005, 336007, 432009, 657405, 720015, 1008021, 1680035, 2160045, 3024063, 5040105, 15120315]

約数ペア:

[(1, 15120315), (3, 5040105), (5, 3024063), (7, 2160045), (9, 1680035), (15, 1008021), (21, 720015), (23, 657405), (35, 432009), (45, 336007), (63, 240005), (69, 219135), (105, 144003), (115, 131481), (161, 93915), (207, 73045), (315, 48001), (345, 43827), (483, 31305), (805, 18783), (1035, 14609), (1449, 10435), (2087, 7245), (2415, 6261)]