289236987

素因数分解:

$3^4\times {\mathrm{13}}^1\times {\mathrm{274679}}^1$

素因数の和:274704

約数の個数: 20

約数和(自身を含む): 465307920

約数和(自身を除く): 176070933

約数列:

[1, 3, 9, 13, 27, 39, 81, 117, 351, 1053, 274679, 824037, 2472111, 3570827, 7416333, 10712481, 22248999, 32137443, 96412329, 289236987]

約数ペア:

[(1, 289236987), (3, 96412329), (9, 32137443), (13, 22248999), (27, 10712481), (39, 7416333), (81, 3570827), (117, 2472111), (351, 824037), (1053, 274679)]