199208835

素因数分解:

$3^3\times 5^1\times 7^1\times {\mathrm{210803}}^1$

素因数の和:210824

約数の個数: 32

約数和(自身を含む): 404743680

約数和(自身を除く): 205534845

約数列:

[1, 3, 5, 7, 9, 15, 21, 27, 35, 45, 63, 105, 135, 189, 315, 945, 210803, 632409, 1054015, 1475621, 1897227, 3162045, 4426863, 5691681, 7378105, 9486135, 13280589, 22134315, 28458405, 39841767, 66402945, 199208835]

約数ペア:

[(1, 199208835), (3, 66402945), (5, 39841767), (7, 28458405), (9, 22134315), (15, 13280589), (21, 9486135), (27, 7378105), (35, 5691681), (45, 4426863), (63, 3162045), (105, 1897227), (135, 1475621), (189, 1054015), (315, 632409), (945, 210803)]