208621197

素因数分解:

$3^3\times {\mathrm{19}}^1\times {\mathrm{53}}^1\times {\mathrm{7673}}^1$

素因数の和:7754

約数の個数: 32

約数和(自身を含む): 331516800

約数和(自身を除く): 122895603

約数列:

[1, 3, 9, 19, 27, 53, 57, 159, 171, 477, 513, 1007, 1431, 3021, 7673, 9063, 23019, 27189, 69057, 145787, 207171, 406669, 437361, 1220007, 1312083, 3660021, 3936249, 7726711, 10980063, 23180133, 69540399, 208621197]

約数ペア:

[(1, 208621197), (3, 69540399), (9, 23180133), (19, 10980063), (27, 7726711), (53, 3936249), (57, 3660021), (159, 1312083), (171, 1220007), (477, 437361), (513, 406669), (1007, 207171), (1431, 145787), (3021, 69057), (7673, 27189), (9063, 23019)]