213215079

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{167}}^1\times {\mathrm{5527}}^1$

素因数の和:5715

約数の個数: 32

約数和(自身を含む): 356622336

約数和(自身を除く): 143407257

約数列:

[1, 3, 7, 11, 21, 33, 77, 167, 231, 501, 1169, 1837, 3507, 5511, 5527, 12859, 16581, 38577, 38689, 60797, 116067, 182391, 425579, 923009, 1276737, 2769027, 6461063, 10153099, 19383189, 30459297, 71071693, 213215079]

約数ペア:

[(1, 213215079), (3, 71071693), (7, 30459297), (11, 19383189), (21, 10153099), (33, 6461063), (77, 2769027), (167, 1276737), (231, 923009), (501, 425579), (1169, 182391), (1837, 116067), (3507, 60797), (5511, 38689), (5527, 38577), (12859, 16581)]