257040003

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{251261}}^1$

素因数の和:251306

約数の個数: 16

約数和(自身を含む): 385938432

約数和(自身を除く): 128898429

約数列:

[1, 3, 11, 31, 33, 93, 341, 1023, 251261, 753783, 2763871, 7789091, 8291613, 23367273, 85680001, 257040003]

約数ペア:

[(1, 257040003), (3, 85680001), (11, 23367273), (31, 8291613), (33, 7789091), (93, 2763871), (341, 753783), (1023, 251261)]