189081

素因数分解:

$3^3\times {\mathrm{47}}^1\times {\mathrm{149}}^1$

素因数の和:205

約数の個数: 16

約数和(自身を含む): 288000

約数和(自身を除く): 98919

約数列:

[1, 3, 9, 27, 47, 141, 149, 423, 447, 1269, 1341, 4023, 7003, 21009, 63027, 189081]

約数ペア:

[(1, 189081), (3, 63027), (9, 21009), (27, 7003), (47, 4023), (141, 1341), (149, 1269), (423, 447)]