221341887

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{5857}}^1$

素因数の和:5912

約数の個数: 48

約数和(自身を含む): 383816160

約数和(自身を除く): 162474273

約数列:

[1, 3, 9, 13, 17, 19, 39, 51, 57, 117, 153, 171, 221, 247, 323, 663, 741, 969, 1989, 2223, 2907, 4199, 5857, 12597, 17571, 37791, 52713, 76141, 99569, 111283, 228423, 298707, 333849, 685269, 896121, 1001547, 1294397, 1446679, 1891811, 3883191, 4340037, 5675433, 11649573, 13020111, 17026299, 24593543, 73780629, 221341887]

約数ペア:

[(1, 221341887), (3, 73780629), (9, 24593543), (13, 17026299), (17, 13020111), (19, 11649573), (39, 5675433), (51, 4340037), (57, 3883191), (117, 1891811), (153, 1446679), (171, 1294397), (221, 1001547), (247, 896121), (323, 685269), (663, 333849), (741, 298707), (969, 228423), (1989, 111283), (2223, 99569), (2907, 76141), (4199, 52713), (5857, 37791), (12597, 17571)]