21167138295

素因数分解:

$3^6\times 5^1\times {\mathrm{5807171}}^1$

素因数の和:5807194

約数の個数: 28

約数和(自身を含む): 38083433976

約数和(自身を除く): 16916295681

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 243, 405, 729, 1215, 3645, 5807171, 17421513, 29035855, 52264539, 87107565, 156793617, 261322695, 470380851, 783968085, 1411142553, 2351904255, 4233427659, 7055712765, 21167138295]

約数ペア:

[(1, 21167138295), (3, 7055712765), (5, 4233427659), (9, 2351904255), (15, 1411142553), (27, 783968085), (45, 470380851), (81, 261322695), (135, 156793617), (243, 87107565), (405, 52264539), (729, 29035855), (1215, 17421513), (3645, 5807171)]