389527281

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{302663}}^1$

素因数の和:302693

約数の個数: 24

約数和(自身を含む): 661018176

約数和(自身を除く): 271490895

約数列:

[1, 3, 9, 11, 13, 33, 39, 99, 117, 143, 429, 1287, 302663, 907989, 2723967, 3329293, 3934619, 9987879, 11803857, 29963637, 35411571, 43280809, 129842427, 389527281]

約数ペア:

[(1, 389527281), (3, 129842427), (9, 43280809), (11, 35411571), (13, 29963637), (33, 11803857), (39, 9987879), (99, 3934619), (117, 3329293), (143, 2723967), (429, 907989), (1287, 302663)]