202918989

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{20089}}^1$

素因数の和:20149

約数の個数: 32

約数和(自身を含む): 342012160

約数和(自身を除く): 139093171

約数列:

[1, 3, 7, 13, 21, 37, 39, 91, 111, 259, 273, 481, 777, 1443, 3367, 10101, 20089, 60267, 140623, 261157, 421869, 743293, 783471, 1828099, 2229879, 5203051, 5484297, 9662809, 15609153, 28988427, 67639663, 202918989]

約数ペア:

[(1, 202918989), (3, 67639663), (7, 28988427), (13, 15609153), (21, 9662809), (37, 5484297), (39, 5203051), (91, 2229879), (111, 1828099), (259, 783471), (273, 743293), (481, 421869), (777, 261157), (1443, 140623), (3367, 60267), (10101, 20089)]