247908219

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{73}}^1\times {\mathrm{4583}}^1$

素因数の和:4691

約数の個数: 32

約数和(自身を含む): 379921920

約数和(自身を除く): 132013701

約数列:

[1, 3, 13, 19, 39, 57, 73, 219, 247, 741, 949, 1387, 2847, 4161, 4583, 13749, 18031, 54093, 59579, 87077, 178737, 261231, 334559, 1003677, 1132001, 3396003, 4349267, 6356621, 13047801, 19069863, 82636073, 247908219]

約数ペア:

[(1, 247908219), (3, 82636073), (13, 19069863), (19, 13047801), (39, 6356621), (57, 4349267), (73, 3396003), (219, 1132001), (247, 1003677), (741, 334559), (949, 261231), (1387, 178737), (2847, 87077), (4161, 59579), (4583, 54093), (13749, 18031)]