71657145

素因数分解:

$3^2\times 5^1\times 7^1\times {\mathrm{109}}^1\times {\mathrm{2087}}^1$

素因数の和:2214

約数の個数: 48

約数和(自身を含む): 143320320

約数和(自身を除く): 71663175

約数列:

[1, 3, 5, 7, 9, 15, 21, 35, 45, 63, 105, 109, 315, 327, 545, 763, 981, 1635, 2087, 2289, 3815, 4905, 6261, 6867, 10435, 11445, 14609, 18783, 31305, 34335, 43827, 73045, 93915, 131481, 219135, 227483, 657405, 682449, 1137415, 1592381, 2047347, 3412245, 4777143, 7961905, 10236735, 14331429, 23885715, 71657145]

約数ペア:

[(1, 71657145), (3, 23885715), (5, 14331429), (7, 10236735), (9, 7961905), (15, 4777143), (21, 3412245), (35, 2047347), (45, 1592381), (63, 1137415), (105, 682449), (109, 657405), (315, 227483), (327, 219135), (545, 131481), (763, 93915), (981, 73045), (1635, 43827), (2087, 34335), (2289, 31305), (3815, 18783), (4905, 14609), (6261, 11445), (6867, 10435)]