257003691

素因数分解:

$3^1\times 7^1\times {\mathrm{101}}^1\times {\mathrm{121171}}^1$

素因数の和:121282

約数の個数: 16

約数和(自身を含む): 395505408

約数和(自身を除く): 138501717

約数列:

[1, 3, 7, 21, 101, 303, 707, 2121, 121171, 363513, 848197, 2544591, 12238271, 36714813, 85667897, 257003691]

約数ペア:

[(1, 257003691), (3, 85667897), (7, 36714813), (21, 12238271), (101, 2544591), (303, 848197), (707, 363513), (2121, 121171)]