27906823

素因数分解:

$7^4\times {\mathrm{59}}^1\times {\mathrm{197}}^1$

素因数の和:284

約数の個数: 20

約数和(自身を含む): 33275880

約数和(自身を除く): 5369057

約数列:

[1, 7, 49, 59, 197, 343, 413, 1379, 2401, 2891, 9653, 11623, 20237, 67571, 81361, 141659, 472997, 569527, 3986689, 27906823]

約数ペア:

[(1, 27906823), (7, 3986689), (49, 569527), (59, 472997), (197, 141659), (343, 81361), (413, 67571), (1379, 20237), (2401, 11623), (2891, 9653)]