145280247

素因数分解:

$3^1\times 7^2\times {\mathrm{683}}^1\times {\mathrm{1447}}^1$

素因数の和:2147

約数の個数: 24

約数和(自身を含む): 225818496

約数和(自身を除く): 80538249

約数列:

[1, 3, 7, 21, 49, 147, 683, 1447, 2049, 4341, 4781, 10129, 14343, 30387, 33467, 70903, 100401, 212709, 988301, 2964903, 6918107, 20754321, 48426749, 145280247]

約数ペア:

[(1, 145280247), (3, 48426749), (7, 20754321), (21, 6918107), (49, 2964903), (147, 988301), (683, 212709), (1447, 100401), (2049, 70903), (4341, 33467), (4781, 30387), (10129, 14343)]