78881103

素因数分解:

$3^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{65899}}^1$

素因数の和:65931

約数の個数: 24

約数和(自身を含む): 137072000

約数和(自身を除く): 58190897

約数列:

[1, 3, 7, 9, 19, 21, 57, 63, 133, 171, 399, 1197, 65899, 197697, 461293, 593091, 1252081, 1383879, 3756243, 4151637, 8764567, 11268729, 26293701, 78881103]

約数ペア:

[(1, 78881103), (3, 26293701), (7, 11268729), (9, 8764567), (19, 4151637), (21, 3756243), (57, 1383879), (63, 1252081), (133, 593091), (171, 461293), (399, 197697), (1197, 65899)]