289553901

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{55823}}^1$

素因数の和:55865

約数の個数: 32

約数和(自身を含む): 500183040

約数和(自身を除く): 210629139

約数列:

[1, 3, 7, 13, 19, 21, 39, 57, 91, 133, 247, 273, 399, 741, 1729, 5187, 55823, 167469, 390761, 725699, 1060637, 1172283, 2177097, 3181911, 5079893, 7424459, 13788281, 15239679, 22273377, 41364843, 96517967, 289553901]

約数ペア:

[(1, 289553901), (3, 96517967), (7, 41364843), (13, 22273377), (19, 15239679), (21, 13788281), (39, 7424459), (57, 5079893), (91, 3181911), (133, 2177097), (247, 1172283), (273, 1060637), (399, 725699), (741, 390761), (1729, 167469), (5187, 55823)]