12784149

素因数分解:

$3^4\times 7^2\times {\mathrm{3221}}^1$

素因数の和:3247

約数の個数: 30

約数和(自身を含む): 22222134

約数和(自身を除く): 9437985

約数列:

[1, 3, 7, 9, 21, 27, 49, 63, 81, 147, 189, 441, 567, 1323, 3221, 3969, 9663, 22547, 28989, 67641, 86967, 157829, 202923, 260901, 473487, 608769, 1420461, 1826307, 4261383, 12784149]

約数ペア:

[(1, 12784149), (3, 4261383), (7, 1826307), (9, 1420461), (21, 608769), (27, 473487), (49, 260901), (63, 202923), (81, 157829), (147, 86967), (189, 67641), (441, 28989), (567, 22547), (1323, 9663), (3221, 3969)]