204837129

素因数分解:

$3^2\times 7^1\times {\mathrm{421}}^1\times {\mathrm{7723}}^1$

素因数の和:8157

約数の個数: 24

約数和(自身を含む): 338990912

約数和(自身を除く): 134153783

約数列:

[1, 3, 7, 9, 21, 63, 421, 1263, 2947, 3789, 7723, 8841, 23169, 26523, 54061, 69507, 162183, 486549, 3251383, 9754149, 22759681, 29262447, 68279043, 204837129]

約数ペア:

[(1, 204837129), (3, 68279043), (7, 29262447), (9, 22759681), (21, 9754149), (63, 3251383), (421, 486549), (1263, 162183), (2947, 69507), (3789, 54061), (7723, 26523), (8841, 23169)]