208271709

素因数分解:

$3^3\times {\mathrm{17}}^1\times {\mathrm{587}}^1\times {\mathrm{773}}^1$

素因数の和:1386

約数の個数: 32

約数和(自身を含む): 327680640

約数和(自身を除く): 119408931

約数列:

[1, 3, 9, 17, 27, 51, 153, 459, 587, 773, 1761, 2319, 5283, 6957, 9979, 13141, 15849, 20871, 29937, 39423, 89811, 118269, 269433, 354807, 453751, 1361253, 4083759, 7713767, 12251277, 23141301, 69423903, 208271709]

約数ペア:

[(1, 208271709), (3, 69423903), (9, 23141301), (17, 12251277), (27, 7713767), (51, 4083759), (153, 1361253), (459, 453751), (587, 354807), (773, 269433), (1761, 118269), (2319, 89811), (5283, 39423), (6957, 29937), (9979, 20871), (13141, 15849)]