291277377

素因数分解:

$3^4\times {\mathrm{47}}^1\times {\mathrm{76511}}^1$

素因数の和:76570

約数の個数: 20

約数和(自身を含む): 444381696

約数和(自身を除く): 153104319

約数列:

[1, 3, 9, 27, 47, 81, 141, 423, 1269, 3807, 76511, 229533, 688599, 2065797, 3596017, 6197391, 10788051, 32364153, 97092459, 291277377]

約数ペア:

[(1, 291277377), (3, 97092459), (9, 32364153), (27, 10788051), (47, 6197391), (81, 3596017), (141, 2065797), (423, 688599), (1269, 229533), (3807, 76511)]