213338457

素因数分解:

$3^2\times {\mathrm{17}}^1\times {\mathrm{41}}^1\times {\mathrm{71}}^1\times {\mathrm{479}}^1$

素因数の和:614

約数の個数: 48

約数和(自身を含む): 339655680

約数和(自身を除く): 126317223

約数列:

[1, 3, 9, 17, 41, 51, 71, 123, 153, 213, 369, 479, 639, 697, 1207, 1437, 2091, 2911, 3621, 4311, 6273, 8143, 8733, 10863, 19639, 24429, 26199, 34009, 49487, 58917, 73287, 102027, 148461, 176751, 306081, 333863, 445383, 578153, 1001589, 1394369, 1734459, 3004767, 4183107, 5203377, 12549321, 23704273, 71112819, 213338457]

約数ペア:

[(1, 213338457), (3, 71112819), (9, 23704273), (17, 12549321), (41, 5203377), (51, 4183107), (71, 3004767), (123, 1734459), (153, 1394369), (213, 1001589), (369, 578153), (479, 445383), (639, 333863), (697, 306081), (1207, 176751), (1437, 148461), (2091, 102027), (2911, 73287), (3621, 58917), (4311, 49487), (6273, 34009), (8143, 26199), (8733, 24429), (10863, 19639)]