223840989

素因数分解:

$3^4\times {\mathrm{17}}^1\times {\mathrm{162557}}^1$

素因数の和:162586

約数の個数: 20

約数和(自身を含む): 354051324

約数和(自身を除く): 130210335

約数列:

[1, 3, 9, 17, 27, 51, 81, 153, 459, 1377, 162557, 487671, 1463013, 2763469, 4389039, 8290407, 13167117, 24871221, 74613663, 223840989]

約数ペア:

[(1, 223840989), (3, 74613663), (9, 24871221), (17, 13167117), (27, 8290407), (51, 4389039), (81, 2763469), (153, 1463013), (459, 487671), (1377, 162557)]