207978765

素因数分解:

$3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{35461}}^1$

素因数の和:35509

約数の個数: 32

約数和(自身を含む): 367670016

約数和(自身を除く): 159691251

約数列:

[1, 3, 5, 15, 17, 23, 51, 69, 85, 115, 255, 345, 391, 1173, 1955, 5865, 35461, 106383, 177305, 531915, 602837, 815603, 1808511, 2446809, 3014185, 4078015, 9042555, 12234045, 13865251, 41595753, 69326255, 207978765]

約数ペア:

[(1, 207978765), (3, 69326255), (5, 41595753), (15, 13865251), (17, 12234045), (23, 9042555), (51, 4078015), (69, 3014185), (85, 2446809), (115, 1808511), (255, 815603), (345, 602837), (391, 531915), (1173, 177305), (1955, 106383), (5865, 35461)]