71781057

素因数分解:

$3^2\times {\mathrm{107}}^1\times {\mathrm{131}}^1\times {\mathrm{569}}^1$

素因数の和:813

約数の個数: 24

約数和(自身を含む): 105636960

約数和(自身を除く): 33855903

約数列:

[1, 3, 9, 107, 131, 321, 393, 569, 963, 1179, 1707, 5121, 14017, 42051, 60883, 74539, 126153, 182649, 223617, 547947, 670851, 7975673, 23927019, 71781057]

約数ペア:

[(1, 71781057), (3, 23927019), (9, 7975673), (107, 670851), (131, 547947), (321, 223617), (393, 182649), (569, 126153), (963, 74539), (1179, 60883), (1707, 42051), (5121, 14017)]