201850281

素因数分解:

$3^2\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{61}}^1\times {\mathrm{523}}^1$

素因数の和:646

約数の個数: 48

約数和(自身を含む): 320981440

約数和(自身を除く): 119131159

約数列:

[1, 3, 9, 19, 37, 57, 61, 111, 171, 183, 333, 523, 549, 703, 1159, 1569, 2109, 2257, 3477, 4707, 6327, 6771, 9937, 10431, 19351, 20313, 29811, 31903, 42883, 58053, 89433, 95709, 128649, 174159, 287127, 367669, 385947, 606157, 1103007, 1180411, 1818471, 3309021, 3541233, 5455413, 10623699, 22427809, 67283427, 201850281]

約数ペア:

[(1, 201850281), (3, 67283427), (9, 22427809), (19, 10623699), (37, 5455413), (57, 3541233), (61, 3309021), (111, 1818471), (171, 1180411), (183, 1103007), (333, 606157), (523, 385947), (549, 367669), (703, 287127), (1159, 174159), (1569, 128649), (2109, 95709), (2257, 89433), (3477, 58053), (4707, 42883), (6327, 31903), (6771, 29811), (9937, 20313), (10431, 19351)]