220678889391

素因数分解:

$3^2\times {\mathrm{19}}^1\times {\mathrm{1290519821}}^1$

素因数の和:1290519846

約数の個数: 12

約数和(自身を含む): 335535153720

約数和(自身を除く): 114856264329

約数列:

[1, 3, 9, 19, 57, 171, 1290519821, 3871559463, 11614678389, 24519876599, 73559629797, 220678889391]

約数ペア:

[(1, 220678889391), (3, 73559629797), (9, 24519876599), (19, 11614678389), (57, 3871559463), (171, 1290519821)]