20173509

素因数分解:

$3^3\times {\mathrm{17}}^1\times {\mathrm{43951}}^1$

素因数の和:43977

約数の個数: 16

約数和(自身を含む): 31645440

約数和(自身を除く): 11471931

約数列:

[1, 3, 9, 17, 27, 51, 153, 459, 43951, 131853, 395559, 747167, 1186677, 2241501, 6724503, 20173509]

約数ペア:

[(1, 20173509), (3, 6724503), (9, 2241501), (17, 1186677), (27, 747167), (51, 395559), (153, 131853), (459, 43951)]