216723141

素因数分解:

$3^3\times {\mathrm{419}}^1\times {\mathrm{19157}}^1$

素因数の和:19585

約数の個数: 16

約数和(自身を含む): 321854400

約数和(自身を除く): 105131259

約数列:

[1, 3, 9, 27, 419, 1257, 3771, 11313, 19157, 57471, 172413, 517239, 8026783, 24080349, 72241047, 216723141]

約数ペア:

[(1, 216723141), (3, 72241047), (9, 24080349), (27, 8026783), (419, 517239), (1257, 172413), (3771, 57471), (11313, 19157)]