81913923

素因数分解:

$3^4\times 7^1\times {\mathrm{13}}^1\times {\mathrm{11113}}^1$

素因数の和:11145

約数の個数: 40

約数和(自身を含む): 150616928

約数和(自身を除く): 68703005

約数列:

[1, 3, 7, 9, 13, 21, 27, 39, 63, 81, 91, 117, 189, 273, 351, 567, 819, 1053, 2457, 7371, 11113, 33339, 77791, 100017, 144469, 233373, 300051, 433407, 700119, 900153, 1011283, 1300221, 2100357, 3033849, 3900663, 6301071, 9101547, 11701989, 27304641, 81913923]

約数ペア:

[(1, 81913923), (3, 27304641), (7, 11701989), (9, 9101547), (13, 6301071), (21, 3900663), (27, 3033849), (39, 2100357), (63, 1300221), (81, 1011283), (91, 900153), (117, 700119), (189, 433407), (273, 300051), (351, 233373), (567, 144469), (819, 100017), (1053, 77791), (2457, 33339), (7371, 11113)]