90590727

素因数分解:

$3^1\times {\mathrm{19}}^1\times {\mathrm{53}}^1\times {\mathrm{157}}^1\times {\mathrm{191}}^1$

素因数の和:423

約数の個数: 32

約数和(自身を含む): 131051520

約数和(自身を除く): 40460793

約数列:

[1, 3, 19, 53, 57, 157, 159, 191, 471, 573, 1007, 2983, 3021, 3629, 8321, 8949, 10123, 10887, 24963, 29987, 30369, 89961, 158099, 192337, 474297, 569753, 577011, 1589311, 1709259, 4767933, 30196909, 90590727]

約数ペア:

[(1, 90590727), (3, 30196909), (19, 4767933), (53, 1709259), (57, 1589311), (157, 577011), (159, 569753), (191, 474297), (471, 192337), (573, 158099), (1007, 89961), (2983, 30369), (3021, 29987), (3629, 24963), (8321, 10887), (8949, 10123)]