12537891

素因数分解:

$3^2\times {\mathrm{17}}^1\times {\mathrm{19}}^2\times {\mathrm{227}}^1$

素因数の和:288

約数の個数: 36

約数和(自身を含む): 20327112

約数和(自身を除く): 7789221

約数列:

[1, 3, 9, 17, 19, 51, 57, 153, 171, 227, 323, 361, 681, 969, 1083, 2043, 2907, 3249, 3859, 4313, 6137, 11577, 12939, 18411, 34731, 38817, 55233, 73321, 81947, 219963, 245841, 659889, 737523, 1393099, 4179297, 12537891]

約数ペア:

[(1, 12537891), (3, 4179297), (9, 1393099), (17, 737523), (19, 659889), (51, 245841), (57, 219963), (153, 81947), (171, 73321), (227, 55233), (323, 38817), (361, 34731), (681, 18411), (969, 12939), (1083, 11577), (2043, 6137), (2907, 4313), (3249, 3859)]