3941991

素因数分解:

$3^2\times {\mathrm{31}}^1\times {\mathrm{71}}^1\times {\mathrm{199}}^1$

素因数の和:307

約数の個数: 24

約数和(自身を含む): 5990400

約数和(自身を除く): 2048409

約数列:

[1, 3, 9, 31, 71, 93, 199, 213, 279, 597, 639, 1791, 2201, 6169, 6603, 14129, 18507, 19809, 42387, 55521, 127161, 437999, 1313997, 3941991]

約数ペア:

[(1, 3941991), (3, 1313997), (9, 437999), (31, 127161), (71, 55521), (93, 42387), (199, 19809), (213, 18507), (279, 14129), (597, 6603), (639, 6169), (1791, 2201)]