81225057

素因数分解:

$3^1\times {\mathrm{19}}^1\times {\mathrm{173}}^1\times {\mathrm{8237}}^1$

素因数の和:8432

約数の個数: 16

約数和(自身を含む): 114672960

約数和(自身を除く): 33447903

約数列:

[1, 3, 19, 57, 173, 519, 3287, 8237, 9861, 24711, 156503, 469509, 1425001, 4275003, 27075019, 81225057]

約数ペア:

[(1, 81225057), (3, 27075019), (19, 4275003), (57, 1425001), (173, 469509), (519, 156503), (3287, 24711), (8237, 9861)]