43640667

素因数分解:

$3^3\times 7^1\times {\mathrm{233}}^1\times {\mathrm{991}}^1$

素因数の和:1240

約数の個数: 32

約数和(自身を含む): 74280960

約数和(自身を除く): 30640293

約数列:

[1, 3, 7, 9, 21, 27, 63, 189, 233, 699, 991, 1631, 2097, 2973, 4893, 6291, 6937, 8919, 14679, 20811, 26757, 44037, 62433, 187299, 230903, 692709, 1616321, 2078127, 4848963, 6234381, 14546889, 43640667]

約数ペア:

[(1, 43640667), (3, 14546889), (7, 6234381), (9, 4848963), (21, 2078127), (27, 1616321), (63, 692709), (189, 230903), (233, 187299), (699, 62433), (991, 44037), (1631, 26757), (2097, 20811), (2973, 14679), (4893, 8919), (6291, 6937)]