28156723173

素因数分解:

$3^3\times {\mathrm{1613}}^1\times {\mathrm{646523}}^1$

素因数の和:648145

約数の個数: 16

約数和(自身を含む): 41739589440

約数和(自身を除く): 13582866267

約数列:

[1, 3, 9, 27, 1613, 4839, 14517, 43551, 646523, 1939569, 5818707, 17456121, 1042841599, 3128524797, 9385574391, 28156723173]

約数ペア:

[(1, 28156723173), (3, 9385574391), (9, 3128524797), (27, 1042841599), (1613, 17456121), (4839, 5818707), (14517, 1939569), (43551, 646523)]