890759997

素因数分解:

$3^6\times {\mathrm{79}}^1\times {\mathrm{15467}}^1$

素因数の和:15564

約数の個数: 28

約数和(自身を含む): 1352521920

約数和(自身を除く): 461761923

約数列:

[1, 3, 9, 27, 79, 81, 237, 243, 711, 729, 2133, 6399, 15467, 19197, 46401, 57591, 139203, 417609, 1221893, 1252827, 3665679, 3758481, 10997037, 11275443, 32991111, 98973333, 296919999, 890759997]

約数ペア:

[(1, 890759997), (3, 296919999), (9, 98973333), (27, 32991111), (79, 11275443), (81, 10997037), (237, 3758481), (243, 3665679), (711, 1252827), (729, 1221893), (2133, 417609), (6399, 139203), (15467, 57591), (19197, 46401)]