398045583

素因数分解:

$3^4\times {\mathrm{13}}^1\times {\mathrm{378011}}^1$

素因数の和:378036

約数の個数: 20

約数和(自身を含む): 640352328

約数和(自身を除く): 242306745

約数列:

[1, 3, 9, 13, 27, 39, 81, 117, 351, 1053, 378011, 1134033, 3402099, 4914143, 10206297, 14742429, 30618891, 44227287, 132681861, 398045583]

約数ペア:

[(1, 398045583), (3, 132681861), (9, 44227287), (13, 30618891), (27, 14742429), (39, 10206297), (81, 4914143), (117, 3402099), (351, 1134033), (1053, 378011)]