56728245

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{540269}}^1$

素因数の和:540284

約数の個数: 16

約数和(自身を含む): 103731840

約数和(自身を除く): 47003595

約数列:

[1, 3, 5, 7, 15, 21, 35, 105, 540269, 1620807, 2701345, 3781883, 8104035, 11345649, 18909415, 56728245]

約数ペア:

[(1, 56728245), (3, 18909415), (5, 11345649), (7, 8104035), (15, 3781883), (21, 2701345), (35, 1620807), (105, 540269)]