239305899

素因数分解:

$3^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{73}}^1\times {\mathrm{4219}}^1$

素因数の和:4339

約数の個数: 32

約数和(自身を含む): 379732480

約数和(自身を除く): 140426581

約数列:

[1, 3, 7, 21, 37, 73, 111, 219, 259, 511, 777, 1533, 2701, 4219, 8103, 12657, 18907, 29533, 56721, 88599, 156103, 307987, 468309, 923961, 1092721, 2155909, 3278163, 6467727, 11395519, 34186557, 79768633, 239305899]

約数ペア:

[(1, 239305899), (3, 79768633), (7, 34186557), (21, 11395519), (37, 6467727), (73, 3278163), (111, 2155909), (219, 1092721), (259, 923961), (511, 468309), (777, 307987), (1533, 156103), (2701, 88599), (4219, 56721), (8103, 29533), (12657, 18907)]