1226661

素因数分解:

$3^1\times {\mathrm{37}}^1\times {\mathrm{43}}^1\times {\mathrm{257}}^1$

素因数の和:340

約数の個数: 16

約数和(自身を含む): 1725504

約数和(自身を除く): 498843

約数列:

[1, 3, 37, 43, 111, 129, 257, 771, 1591, 4773, 9509, 11051, 28527, 33153, 408887, 1226661]

約数ペア:

[(1, 1226661), (3, 408887), (37, 33153), (43, 28527), (111, 11051), (129, 9509), (257, 4773), (771, 1591)]