881081721

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{242923}}^1$

素因数の和:242973

約数の個数: 24

約数和(自身を含む): 1414789376

約数和(自身を除く): 533707655

約数列:

[1, 3, 9, 13, 31, 39, 93, 117, 279, 403, 1209, 3627, 242923, 728769, 2186307, 3157999, 7530613, 9473997, 22591839, 28421991, 67775517, 97897969, 293693907, 881081721]

約数ペア:

[(1, 881081721), (3, 293693907), (9, 97897969), (13, 67775517), (31, 28421991), (39, 22591839), (93, 9473997), (117, 7530613), (279, 3157999), (403, 2186307), (1209, 728769), (3627, 242923)]