212344839

素因数分解:

$3^2\times 7^1\times {\mathrm{307}}^1\times {\mathrm{10979}}^1$

素因数の和:11299

約数の個数: 24

約数和(自身を含む): 351711360

約数和(自身を除く): 139366521

約数列:

[1, 3, 7, 9, 21, 63, 307, 921, 2149, 2763, 6447, 10979, 19341, 32937, 76853, 98811, 230559, 691677, 3370553, 10111659, 23593871, 30334977, 70781613, 212344839]

約数ペア:

[(1, 212344839), (3, 70781613), (7, 30334977), (9, 23593871), (21, 10111659), (63, 3370553), (307, 691677), (921, 230559), (2149, 98811), (2763, 76853), (6447, 32937), (10979, 19341)]