211639851

素因数分解:

$3^3\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{10723}}^1$

素因数の和:10792

約数の個数: 32

約数和(自身を含む): 339736320

約数和(自身を除く): 128096469

約数列:

[1, 3, 9, 17, 27, 43, 51, 129, 153, 387, 459, 731, 1161, 2193, 6579, 10723, 19737, 32169, 96507, 182291, 289521, 461089, 546873, 1383267, 1640619, 4149801, 4921857, 7838513, 12449403, 23515539, 70546617, 211639851]

約数ペア:

[(1, 211639851), (3, 70546617), (9, 23515539), (17, 12449403), (27, 7838513), (43, 4921857), (51, 4149801), (129, 1640619), (153, 1383267), (387, 546873), (459, 461089), (731, 289521), (1161, 182291), (2193, 96507), (6579, 32169), (10723, 19737)]