289503477

素因数分解:

$3^4\times {\mathrm{43}}^2\times {\mathrm{1933}}^1$

素因数の和:2031

約数の個数: 30

約数和(自身を含む): 442988502

約数和(自身を除く): 153485025

約数列:

[1, 3, 9, 27, 43, 81, 129, 387, 1161, 1849, 1933, 3483, 5547, 5799, 16641, 17397, 49923, 52191, 83119, 149769, 156573, 249357, 748071, 2244213, 3574117, 6732639, 10722351, 32167053, 96501159, 289503477]

約数ペア:

[(1, 289503477), (3, 96501159), (9, 32167053), (27, 10722351), (43, 6732639), (81, 3574117), (129, 2244213), (387, 748071), (1161, 249357), (1849, 156573), (1933, 149769), (3483, 83119), (5547, 52191), (5799, 49923), (16641, 17397)]