15721029

素因数分解:

$3^2\times {\mathrm{23}}^1\times {\mathrm{173}}^1\times {\mathrm{439}}^1$

素因数の和:641

約数の個数: 24

約数和(自身を含む): 23886720

約数和(自身を除く): 8165691

約数列:

[1, 3, 9, 23, 69, 173, 207, 439, 519, 1317, 1557, 3951, 3979, 10097, 11937, 30291, 35811, 75947, 90873, 227841, 683523, 1746781, 5240343, 15721029]

約数ペア:

[(1, 15721029), (3, 5240343), (9, 1746781), (23, 683523), (69, 227841), (173, 90873), (207, 75947), (439, 35811), (519, 30291), (1317, 11937), (1557, 10097), (3951, 3979)]