389610249

素因数分解:

$3^1\times 7^1\times {\mathrm{41}}^1\times {\mathrm{197}}^1\times {\mathrm{2297}}^1$

素因数の和:2545

約数の個数: 32

約数和(自身を含む): 611525376

約数和(自身を除く): 221915127

約数列:

[1, 3, 7, 21, 41, 123, 197, 287, 591, 861, 1379, 2297, 4137, 6891, 8077, 16079, 24231, 48237, 56539, 94177, 169617, 282531, 452509, 659239, 1357527, 1977717, 3167563, 9502689, 18552869, 55658607, 129870083, 389610249]

約数ペア:

[(1, 389610249), (3, 129870083), (7, 55658607), (21, 18552869), (41, 9502689), (123, 3167563), (197, 1977717), (287, 1357527), (591, 659239), (861, 452509), (1379, 282531), (2297, 169617), (4137, 94177), (6891, 56539), (8077, 48237), (16079, 24231)]