51489765

素因数分解:

$3^2\times 5^1\times {\mathrm{53}}^1\times {\mathrm{21589}}^1$

素因数の和:21653

約数の個数: 24

約数和(自身を含む): 90937080

約数和(自身を除く): 39447315

約数列:

[1, 3, 5, 9, 15, 45, 53, 159, 265, 477, 795, 2385, 21589, 64767, 107945, 194301, 323835, 971505, 1144217, 3432651, 5721085, 10297953, 17163255, 51489765]

約数ペア:

[(1, 51489765), (3, 17163255), (5, 10297953), (9, 5721085), (15, 3432651), (45, 1144217), (53, 971505), (159, 323835), (265, 194301), (477, 107945), (795, 64767), (2385, 21589)]