168133749

素因数分解:

$3^1\times 7^2\times {\mathrm{23}}^1\times {\mathrm{223}}^2$

素因数の和:486

約数の個数: 36

約数和(自身を含む): 273342816

約数和(自身を除く): 105209067

約数列:

[1, 3, 7, 21, 23, 49, 69, 147, 161, 223, 483, 669, 1127, 1561, 3381, 4683, 5129, 10927, 15387, 32781, 35903, 49729, 107709, 149187, 251321, 348103, 753963, 1044309, 1143767, 2436721, 3431301, 7310163, 8006369, 24019107, 56044583, 168133749]

約数ペア:

[(1, 168133749), (3, 56044583), (7, 24019107), (21, 8006369), (23, 7310163), (49, 3431301), (69, 2436721), (147, 1143767), (161, 1044309), (223, 753963), (483, 348103), (669, 251321), (1127, 149187), (1561, 107709), (3381, 49729), (4683, 35903), (5129, 32781), (10927, 15387)]