278068419

素因数分解:

$3^2\times {\mathrm{31}}^1\times {\mathrm{149}}^1\times {\mathrm{6689}}^1$

素因数の和:6875

約数の個数: 24

約数和(自身を含む): 417456000

約数和(自身を除く): 139387581

約数列:

[1, 3, 9, 31, 93, 149, 279, 447, 1341, 4619, 6689, 13857, 20067, 41571, 60201, 207359, 622077, 996661, 1866231, 2989983, 8969949, 30896491, 92689473, 278068419]

約数ペア:

[(1, 278068419), (3, 92689473), (9, 30896491), (31, 8969949), (93, 2989983), (149, 1866231), (279, 996661), (447, 622077), (1341, 207359), (4619, 60201), (6689, 41571), (13857, 20067)]