25804233

素因数分解:

$3^2\times 7^3\times {\mathrm{13}}^1\times {\mathrm{643}}^1$

素因数の和:683

約数の個数: 48

約数和(自身を含む): 46883200

約数和(自身を除く): 21078967

約数列:

[1, 3, 7, 9, 13, 21, 39, 49, 63, 91, 117, 147, 273, 343, 441, 637, 643, 819, 1029, 1911, 1929, 3087, 4459, 4501, 5733, 5787, 8359, 13377, 13503, 25077, 31507, 40131, 40509, 58513, 75231, 94521, 175539, 220549, 283563, 409591, 526617, 661647, 1228773, 1984941, 2867137, 3686319, 8601411, 25804233]

約数ペア:

[(1, 25804233), (3, 8601411), (7, 3686319), (9, 2867137), (13, 1984941), (21, 1228773), (39, 661647), (49, 526617), (63, 409591), (91, 283563), (117, 220549), (147, 175539), (273, 94521), (343, 75231), (441, 58513), (637, 40509), (643, 40131), (819, 31507), (1029, 25077), (1911, 13503), (1929, 13377), (3087, 8359), (4459, 5787), (4501, 5733)]