12311397

素因数分解:

$3^2\times 7^2\times {\mathrm{27917}}^1$

素因数の和:27937

約数の個数: 18

約数和(自身を含む): 20687238

約数和(自身を除く): 8375841

約数列:

[1, 3, 7, 9, 21, 49, 63, 147, 441, 27917, 83751, 195419, 251253, 586257, 1367933, 1758771, 4103799, 12311397]

約数ペア:

[(1, 12311397), (3, 4103799), (7, 1758771), (9, 1367933), (21, 586257), (49, 251253), (63, 195419), (147, 83751), (441, 27917)]