181212009

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{271}}^1\times {\mathrm{881}}^1$

素因数の和:1189

約数の個数: 32

約数和(自身を含む): 276369408

約数和(自身を除く): 95157399

約数列:

[1, 3, 11, 23, 33, 69, 253, 271, 759, 813, 881, 2643, 2981, 6233, 8943, 9691, 18699, 20263, 29073, 60789, 68563, 205689, 222893, 238751, 668679, 716253, 2626261, 5491273, 7878783, 16473819, 60404003, 181212009]

約数ペア:

[(1, 181212009), (3, 60404003), (11, 16473819), (23, 7878783), (33, 5491273), (69, 2626261), (253, 716253), (271, 668679), (759, 238751), (813, 222893), (881, 205689), (2643, 68563), (2981, 60789), (6233, 29073), (8943, 20263), (9691, 18699)]