120720495

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{647}}^1\times {\mathrm{1777}}^1$

素因数の和:2439

約数の個数: 32

約数和(自身を含む): 221211648

約数和(自身を除く): 100491153

約数列:

[1, 3, 5, 7, 15, 21, 35, 105, 647, 1777, 1941, 3235, 4529, 5331, 8885, 9705, 12439, 13587, 22645, 26655, 37317, 62195, 67935, 186585, 1149719, 3449157, 5748595, 8048033, 17245785, 24144099, 40240165, 120720495]

約数ペア:

[(1, 120720495), (3, 40240165), (5, 24144099), (7, 17245785), (15, 8048033), (21, 5748595), (35, 3449157), (105, 1149719), (647, 186585), (1777, 67935), (1941, 62195), (3235, 37317), (4529, 26655), (5331, 22645), (8885, 13587), (9705, 12439)]