172809

素因数分解:

$3^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{211}}^1$

素因数の和:237

約数の個数: 24

約数和(自身を含む): 308672

約数和(自身を除く): 135863

約数列:

[1, 3, 7, 9, 13, 21, 39, 63, 91, 117, 211, 273, 633, 819, 1477, 1899, 2743, 4431, 8229, 13293, 19201, 24687, 57603, 172809]

約数ペア:

[(1, 172809), (3, 57603), (7, 24687), (9, 19201), (13, 13293), (21, 8229), (39, 4431), (63, 2743), (91, 1899), (117, 1477), (211, 819), (273, 633)]