78975309

素因数分解:

$3^1\times 7^2\times {\mathrm{107}}^1\times {\mathrm{5021}}^1$

素因数の和:5145

約数の個数: 24

約数和(自身を含む): 123661728

約数和(自身を除く): 44686419

約数列:

[1, 3, 7, 21, 49, 107, 147, 321, 749, 2247, 5021, 5243, 15063, 15729, 35147, 105441, 246029, 537247, 738087, 1611741, 3760729, 11282187, 26325103, 78975309]

約数ペア:

[(1, 78975309), (3, 26325103), (7, 11282187), (21, 3760729), (49, 1611741), (107, 738087), (147, 537247), (321, 246029), (749, 105441), (2247, 35147), (5021, 15729), (5243, 15063)]