3940391

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{53}}^1$

素因数の和:135

約数の個数: 32

約数和(自身を含む): 5322240

約数和(自身を除く): 1381849

約数列:

[1, 7, 13, 19, 43, 53, 91, 133, 247, 301, 371, 559, 689, 817, 1007, 1729, 2279, 3913, 4823, 5719, 7049, 10621, 13091, 15953, 29627, 43301, 74347, 91637, 207389, 303107, 562913, 3940391]

約数ペア:

[(1, 3940391), (7, 562913), (13, 303107), (19, 207389), (43, 91637), (53, 74347), (91, 43301), (133, 29627), (247, 15953), (301, 13091), (371, 10621), (559, 7049), (689, 5719), (817, 4823), (1007, 3913), (1729, 2279)]