1738994439

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{307}}^1\times {\mathrm{20749}}^1$

素因数の和:21079

約数の個数: 32

約数和(自身を含む): 2863168000

約数和(自身を除く): 1124173561

約数列:

[1, 3, 7, 13, 21, 39, 91, 273, 307, 921, 2149, 3991, 6447, 11973, 20749, 27937, 62247, 83811, 145243, 269737, 435729, 809211, 1888159, 5664477, 6369943, 19109829, 44589601, 82809259, 133768803, 248427777, 579664813, 1738994439]

約数ペア:

[(1, 1738994439), (3, 579664813), (7, 248427777), (13, 133768803), (21, 82809259), (39, 44589601), (91, 19109829), (273, 6369943), (307, 5664477), (921, 1888159), (2149, 809211), (3991, 435729), (6447, 269737), (11973, 145243), (20749, 83811), (27937, 62247)]