77790489

素因数分解:

$3^1\times 7^2\times {\mathrm{41}}^1\times {\mathrm{12907}}^1$

素因数の和:12965

約数の個数: 24

約数和(自身を含む): 123607008

約数和(自身を除く): 45816519

約数列:

[1, 3, 7, 21, 41, 49, 123, 147, 287, 861, 2009, 6027, 12907, 38721, 90349, 271047, 529187, 632443, 1587561, 1897329, 3704309, 11112927, 25930163, 77790489]

約数ペア:

[(1, 77790489), (3, 25930163), (7, 11112927), (21, 3704309), (41, 1897329), (49, 1587561), (123, 632443), (147, 529187), (287, 271047), (861, 90349), (2009, 38721), (6027, 12907)]