777777129891

素因数分解:

$3^2\times {\mathrm{109}}^1\times {\mathrm{5333}}^1\times {\mathrm{148667}}^1$

素因数の和:154115

約数の個数: 24

約数和(自身を含む): 1133983010160

約数和(自身を除く): 356205880269

約数列:

[1, 3, 9, 109, 327, 981, 5333, 15999, 47997, 148667, 446001, 581297, 1338003, 1743891, 5231673, 16204703, 48614109, 145842327, 792841111, 2378523333, 7135569999, 86419681099, 259259043297, 777777129891]

約数ペア:

[(1, 777777129891), (3, 259259043297), (9, 86419681099), (109, 7135569999), (327, 2378523333), (981, 792841111), (5333, 145842327), (15999, 48614109), (47997, 16204703), (148667, 5231673), (446001, 1743891), (581297, 1338003)]