7974129

素因数分解:

$3^1\times {\mathrm{19}}^2\times {\mathrm{37}}^1\times {\mathrm{199}}^1$

素因数の和:277

約数の個数: 24

約数和(自身を含む): 11582400

約数和(自身を除く): 3608271

約数列:

[1, 3, 19, 37, 57, 111, 199, 361, 597, 703, 1083, 2109, 3781, 7363, 11343, 13357, 22089, 40071, 71839, 139897, 215517, 419691, 2658043, 7974129]

約数ペア:

[(1, 7974129), (3, 2658043), (19, 419691), (37, 215517), (57, 139897), (111, 71839), (199, 40071), (361, 22089), (597, 13357), (703, 11343), (1083, 7363), (2109, 3781)]