1971145725

素因数分解:

$3^1\times 5^2\times {\mathrm{41}}^1\times {\mathrm{137}}^1\times {\mathrm{4679}}^1$

素因数の和:4870

約数の個数: 48

約数和(自身を含む): 3363534720

約数和(自身を除く): 1392388995

約数列:

[1, 3, 5, 15, 25, 41, 75, 123, 137, 205, 411, 615, 685, 1025, 2055, 3075, 3425, 4679, 5617, 10275, 14037, 16851, 23395, 28085, 70185, 84255, 116975, 140425, 191839, 350925, 421275, 575517, 641023, 959195, 1923069, 2877585, 3205115, 4795975, 9615345, 14387925, 16025575, 26281943, 48076725, 78845829, 131409715, 394229145, 657048575, 1971145725]

約数ペア:

[(1, 1971145725), (3, 657048575), (5, 394229145), (15, 131409715), (25, 78845829), (41, 48076725), (75, 26281943), (123, 16025575), (137, 14387925), (205, 9615345), (411, 4795975), (615, 3205115), (685, 2877585), (1025, 1923069), (2055, 959195), (3075, 641023), (3425, 575517), (4679, 421275), (5617, 350925), (10275, 191839), (14037, 140425), (16851, 116975), (23395, 84255), (28085, 70185)]