770229

素因数分解:

$3^4\times {\mathrm{37}}^1\times {\mathrm{257}}^1$

素因数の和:306

約数の個数: 20

約数和(自身を含む): 1186284

約数和(自身を除く): 416055

約数列:

[1, 3, 9, 27, 37, 81, 111, 257, 333, 771, 999, 2313, 2997, 6939, 9509, 20817, 28527, 85581, 256743, 770229]

約数ペア:

[(1, 770229), (3, 256743), (9, 85581), (27, 28527), (37, 20817), (81, 9509), (111, 6939), (257, 2997), (333, 2313), (771, 999)]