856359

素因数分解:

$3^3\times 7^1\times {\mathrm{23}}^1\times {\mathrm{197}}^1$

素因数の和:236

約数の個数: 32

約数和(自身を含む): 1520640

約数和(自身を除く): 664281

約数列:

[1, 3, 7, 9, 21, 23, 27, 63, 69, 161, 189, 197, 207, 483, 591, 621, 1379, 1449, 1773, 4137, 4347, 4531, 5319, 12411, 13593, 31717, 37233, 40779, 95151, 122337, 285453, 856359]

約数ペア:

[(1, 856359), (3, 285453), (7, 122337), (9, 95151), (21, 40779), (23, 37233), (27, 31717), (63, 13593), (69, 12411), (161, 5319), (189, 4531), (197, 4347), (207, 4137), (483, 1773), (591, 1449), (621, 1379)]