72339981

素因数分解:

$3^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{97}}^1\times {\mathrm{2089}}^1$

素因数の和:2213

約数の個数: 32

約数和(自身を含む): 117976320

約数和(自身を除く): 45636339

約数列:

[1, 3, 7, 17, 21, 51, 97, 119, 291, 357, 679, 1649, 2037, 2089, 4947, 6267, 11543, 14623, 34629, 35513, 43869, 106539, 202633, 248591, 607899, 745773, 1418431, 3444761, 4255293, 10334283, 24113327, 72339981]

約数ペア:

[(1, 72339981), (3, 24113327), (7, 10334283), (17, 4255293), (21, 3444761), (51, 1418431), (97, 745773), (119, 607899), (291, 248591), (357, 202633), (679, 106539), (1649, 43869), (2037, 35513), (2089, 34629), (4947, 14623), (6267, 11543)]