221569857

素因数分解:

$3^3\times {\mathrm{17}}^1\times {\mathrm{241}}^1\times {\mathrm{2003}}^1$

素因数の和:2270

約数の個数: 32

約数和(自身を含む): 349176960

約数和(自身を除く): 127607103

約数列:

[1, 3, 9, 17, 27, 51, 153, 241, 459, 723, 2003, 2169, 4097, 6009, 6507, 12291, 18027, 34051, 36873, 54081, 102153, 110619, 306459, 482723, 919377, 1448169, 4344507, 8206291, 13033521, 24618873, 73856619, 221569857]

約数ペア:

[(1, 221569857), (3, 73856619), (9, 24618873), (17, 13033521), (27, 8206291), (51, 4344507), (153, 1448169), (241, 919377), (459, 482723), (723, 306459), (2003, 110619), (2169, 102153), (4097, 54081), (6009, 36873), (6507, 34051), (12291, 18027)]