201871371

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{37}}^2\times {\mathrm{199}}^1$

素因数の和:308

約数の個数: 48

約数和(自身を含む): 315168000

約数和(自身を除く): 113296629

約数列:

[1, 3, 13, 19, 37, 39, 57, 111, 199, 247, 481, 597, 703, 741, 1369, 1443, 2109, 2587, 3781, 4107, 7363, 7761, 9139, 11343, 17797, 22089, 26011, 27417, 49153, 53391, 78033, 95719, 139897, 147459, 272431, 287157, 338143, 419691, 817293, 1014429, 1818661, 3541603, 5176189, 5455983, 10624809, 15528567, 67290457, 201871371]

約数ペア:

[(1, 201871371), (3, 67290457), (13, 15528567), (19, 10624809), (37, 5455983), (39, 5176189), (57, 3541603), (111, 1818661), (199, 1014429), (247, 817293), (481, 419691), (597, 338143), (703, 287157), (741, 272431), (1369, 147459), (1443, 139897), (2109, 95719), (2587, 78033), (3781, 53391), (4107, 49153), (7363, 27417), (7761, 26011), (9139, 22089), (11343, 17797)]