218132331

素因数分解:

$3^1\times {\mathrm{19}}^1\times {\mathrm{181}}^1\times {\mathrm{21143}}^1$

素因数の和:21346

約数の個数: 16

約数和(自身を含む): 307856640

約数和(自身を除く): 89724309

約数列:

[1, 3, 19, 57, 181, 543, 3439, 10317, 21143, 63429, 401717, 1205151, 3826883, 11480649, 72710777, 218132331]

約数ペア:

[(1, 218132331), (3, 72710777), (19, 11480649), (57, 3826883), (181, 1205151), (543, 401717), (3439, 63429), (10317, 21143)]