27786773

素因数分解:

$7^4\times {\mathrm{71}}^1\times {\mathrm{163}}^1$

素因数の和:262

約数の個数: 20

約数和(自身を含む): 33074208

約数和(自身を除く): 5287435

約数列:

[1, 7, 49, 71, 163, 343, 497, 1141, 2401, 3479, 7987, 11573, 24353, 55909, 81011, 170471, 391363, 567077, 3969539, 27786773]

約数ペア:

[(1, 27786773), (7, 3969539), (49, 567077), (71, 391363), (163, 170471), (343, 81011), (497, 55909), (1141, 24353), (2401, 11573), (3479, 7987)]