203156289

素因数分解:

$3^3\times 7^1\times {\mathrm{1074901}}^1$

素因数の和:1074917

約数の個数: 16

約数和(自身を含む): 343968640

約数和(自身を除く): 140812351

約数列:

[1, 3, 7, 9, 21, 27, 63, 189, 1074901, 3224703, 7524307, 9674109, 22572921, 29022327, 67718763, 203156289]

約数ペア:

[(1, 203156289), (3, 67718763), (7, 29022327), (9, 22572921), (21, 9674109), (27, 7524307), (63, 3224703), (189, 1074901)]