221716089

素因数分解:

$3^3\times 7^1\times {\mathrm{1173101}}^1$

素因数の和:1173117

約数の個数: 16

約数和(自身を含む): 375392640

約数和(自身を除く): 153676551

約数列:

[1, 3, 7, 9, 21, 27, 63, 189, 1173101, 3519303, 8211707, 10557909, 24635121, 31673727, 73905363, 221716089]

約数ペア:

[(1, 221716089), (3, 73905363), (7, 31673727), (9, 24635121), (21, 10557909), (27, 8211707), (63, 3519303), (189, 1173101)]