212545425

素因数分解:

$3^1\times 5^2\times {\mathrm{257}}^1\times {\mathrm{11027}}^1$

素因数の和:11297

約数の個数: 24

約数和(自身を含む): 352807776

約数和(自身を除く): 140262351

約数列:

[1, 3, 5, 15, 25, 75, 257, 771, 1285, 3855, 6425, 11027, 19275, 33081, 55135, 165405, 275675, 827025, 2833939, 8501817, 14169695, 42509085, 70848475, 212545425]

約数ペア:

[(1, 212545425), (3, 70848475), (5, 42509085), (15, 14169695), (25, 8501817), (75, 2833939), (257, 827025), (771, 275675), (1285, 165405), (3855, 55135), (6425, 33081), (11027, 19275)]