7918248639

素因数分解:

$3^1\times 7^3\times {\mathrm{1217}}^1\times {\mathrm{6323}}^1$

素因数の和:7564

約数の個数: 32

約数和(自身を含む): 12324211200

約数和(自身を除く): 4405962561

約数列:

[1, 3, 7, 21, 49, 147, 343, 1029, 1217, 3651, 6323, 8519, 18969, 25557, 44261, 59633, 132783, 178899, 309827, 417431, 929481, 1252293, 2168789, 6506367, 7695091, 23085273, 53865637, 161596911, 377059459, 1131178377, 2639416213, 7918248639]

約数ペア:

[(1, 7918248639), (3, 2639416213), (7, 1131178377), (21, 377059459), (49, 161596911), (147, 53865637), (343, 23085273), (1029, 7695091), (1217, 6506367), (3651, 2168789), (6323, 1252293), (8519, 929481), (18969, 417431), (25557, 309827), (44261, 178899), (59633, 132783)]