51387777

素因数分解:

$3^4\times 7^1\times {\mathrm{90631}}^1$

素因数の和:90650

約数の個数: 20

約数和(自身を含む): 87731776

約数和(自身を除く): 36343999

約数列:

[1, 3, 7, 9, 21, 27, 63, 81, 189, 567, 90631, 271893, 634417, 815679, 1903251, 2447037, 5709753, 7341111, 17129259, 51387777]

約数ペア:

[(1, 51387777), (3, 17129259), (7, 7341111), (9, 5709753), (21, 2447037), (27, 1903251), (63, 815679), (81, 634417), (189, 271893), (567, 90631)]