7122777

素因数分解:

$3^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{139}}^1$

素因数の和:221

約数の個数: 32

約数和(自身を含む): 10752000

約数和(自身を除く): 3629223

約数列:

[1, 3, 19, 29, 31, 57, 87, 93, 139, 417, 551, 589, 899, 1653, 1767, 2641, 2697, 4031, 4309, 7923, 12093, 12927, 17081, 51243, 76589, 81871, 124961, 229767, 245613, 374883, 2374259, 7122777]

約数ペア:

[(1, 7122777), (3, 2374259), (19, 374883), (29, 245613), (31, 229767), (57, 124961), (87, 81871), (93, 76589), (139, 51243), (417, 17081), (551, 12927), (589, 12093), (899, 7923), (1653, 4309), (1767, 4031), (2641, 2697)]