168123753

素因数分解:

$3^2\times 7^2\times {\mathrm{381233}}^1$

素因数の和:381253

約数の個数: 18

約数和(自身を含む): 282494394

約数和(自身を除く): 114370641

約数列:

[1, 3, 7, 9, 21, 49, 63, 147, 441, 381233, 1143699, 2668631, 3431097, 8005893, 18680417, 24017679, 56041251, 168123753]

約数ペア:

[(1, 168123753), (3, 56041251), (7, 24017679), (9, 18680417), (21, 8005893), (49, 3431097), (63, 2668631), (147, 1143699), (441, 381233)]