22157487

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{37}}^1\times {\mathrm{263}}^1$

素因数の和:340

約数の個数: 48

約数和(自身を含む): 37559808

約数和(自身を除く): 15402321

約数列:

[1, 3, 9, 11, 23, 33, 37, 69, 99, 111, 207, 253, 263, 333, 407, 759, 789, 851, 1221, 2277, 2367, 2553, 2893, 3663, 6049, 7659, 8679, 9361, 9731, 18147, 26037, 28083, 29193, 54441, 66539, 84249, 87579, 107041, 199617, 223813, 321123, 598851, 671439, 963369, 2014317, 2461943, 7385829, 22157487]

約数ペア:

[(1, 22157487), (3, 7385829), (9, 2461943), (11, 2014317), (23, 963369), (33, 671439), (37, 598851), (69, 321123), (99, 223813), (111, 199617), (207, 107041), (253, 87579), (263, 84249), (333, 66539), (407, 54441), (759, 29193), (789, 28083), (851, 26037), (1221, 18147), (2277, 9731), (2367, 9361), (2553, 8679), (2893, 7659), (3663, 6049)]