1820259

素因数分解:

$3^3\times 7^1\times {\mathrm{9631}}^1$

素因数の和:9647

約数の個数: 16

約数和(自身を含む): 3082240

約数和(自身を除く): 1261981

約数列:

[1, 3, 7, 9, 21, 27, 63, 189, 9631, 28893, 67417, 86679, 202251, 260037, 606753, 1820259]

約数ペア:

[(1, 1820259), (3, 606753), (7, 260037), (9, 202251), (21, 86679), (27, 67417), (63, 28893), (189, 9631)]