64421937

素因数分解:

$3^2\times {\mathrm{31}}^1\times {\mathrm{233}}^1\times {\mathrm{991}}^1$

素因数の和:1261

約数の個数: 24

約数和(自身を含む): 96565248

約数和(自身を除く): 32143311

約数列:

[1, 3, 9, 31, 93, 233, 279, 699, 991, 2097, 2973, 7223, 8919, 21669, 30721, 65007, 92163, 230903, 276489, 692709, 2078127, 7157993, 21473979, 64421937]

約数ペア:

[(1, 64421937), (3, 21473979), (9, 7157993), (31, 2078127), (93, 692709), (233, 276489), (279, 230903), (699, 92163), (991, 65007), (2097, 30721), (2973, 21669), (7223, 8919)]