199978467

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{79}}^1\times {\mathrm{1381}}^1$

素因数の和:1523

約数の個数: 32

約数和(自身を含む): 297185280

約数和(自身を除く): 97206813

約数列:

[1, 3, 13, 39, 47, 79, 141, 237, 611, 1027, 1381, 1833, 3081, 3713, 4143, 11139, 17953, 48269, 53859, 64907, 109099, 144807, 194721, 327297, 843791, 1418287, 2531373, 4254861, 5127653, 15382959, 66659489, 199978467]

約数ペア:

[(1, 199978467), (3, 66659489), (13, 15382959), (39, 5127653), (47, 4254861), (79, 2531373), (141, 1418287), (237, 843791), (611, 327297), (1027, 194721), (1381, 144807), (1833, 109099), (3081, 64907), (3713, 53859), (4143, 48269), (11139, 17953)]