259872405

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{70141}}^1$

素因数の和:70181

約数の個数: 32

約数和(自身を含む): 471354240

約数和(自身を除く): 211481835

約数列:

[1, 3, 5, 13, 15, 19, 39, 57, 65, 95, 195, 247, 285, 741, 1235, 3705, 70141, 210423, 350705, 911833, 1052115, 1332679, 2735499, 3998037, 4559165, 6663395, 13677495, 17324827, 19990185, 51974481, 86624135, 259872405]

約数ペア:

[(1, 259872405), (3, 86624135), (5, 51974481), (13, 19990185), (15, 17324827), (19, 13677495), (39, 6663395), (57, 4559165), (65, 3998037), (95, 2735499), (195, 1332679), (247, 1052115), (285, 911833), (741, 350705), (1235, 210423), (3705, 70141)]