339907169

素因数分解:

$7^4\times {\mathrm{19}}^1\times {\mathrm{7451}}^1$

素因数の和:7498

約数の個数: 20

約数和(自身を含む): 417461040

約数和(自身を除く): 77553871

約数列:

[1, 7, 19, 49, 133, 343, 931, 2401, 6517, 7451, 45619, 52157, 141569, 365099, 990983, 2555693, 6936881, 17889851, 48558167, 339907169]

約数ペア:

[(1, 339907169), (7, 48558167), (19, 17889851), (49, 6936881), (133, 2555693), (343, 990983), (931, 365099), (2401, 141569), (6517, 52157), (7451, 45619)]