25640793

素因数分解:

$3^4\times {\mathrm{79}}^1\times {\mathrm{4007}}^1$

素因数の和:4098

約数の個数: 20

約数和(自身を含む): 38797440

約数和(自身を除く): 13156647

約数列:

[1, 3, 9, 27, 79, 81, 237, 711, 2133, 4007, 6399, 12021, 36063, 108189, 316553, 324567, 949659, 2848977, 8546931, 25640793]

約数ペア:

[(1, 25640793), (3, 8546931), (9, 2848977), (27, 949659), (79, 324567), (81, 316553), (237, 108189), (711, 36063), (2133, 12021), (4007, 6399)]