7225491

素因数分解:

$3^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{199}}^1$

素因数の和:248

約数の個数: 48

約数和(自身を含む): 12768000

約数和(自身を除く): 5542509

約数列:

[1, 3, 7, 13, 19, 21, 39, 49, 57, 91, 133, 147, 199, 247, 273, 399, 597, 637, 741, 931, 1393, 1729, 1911, 2587, 2793, 3781, 4179, 5187, 7761, 9751, 11343, 12103, 18109, 26467, 29253, 36309, 49153, 54327, 79401, 126763, 147459, 185269, 344071, 380289, 555807, 1032213, 2408497, 7225491]

約数ペア:

[(1, 7225491), (3, 2408497), (7, 1032213), (13, 555807), (19, 380289), (21, 344071), (39, 185269), (49, 147459), (57, 126763), (91, 79401), (133, 54327), (147, 49153), (199, 36309), (247, 29253), (273, 26467), (399, 18109), (597, 12103), (637, 11343), (741, 9751), (931, 7761), (1393, 5187), (1729, 4179), (1911, 3781), (2587, 2793)]