47891991

素因数分解:

$3^1\times 7^1\times {\mathrm{809}}^1\times {\mathrm{2819}}^1$

素因数の和:3638

約数の個数: 16

約数和(自身を含む): 73094400

約数和(自身を除く): 25202409

約数列:

[1, 3, 7, 21, 809, 2427, 2819, 5663, 8457, 16989, 19733, 59199, 2280571, 6841713, 15963997, 47891991]

約数ペア:

[(1, 47891991), (3, 15963997), (7, 6841713), (21, 2280571), (809, 59199), (2427, 19733), (2819, 16989), (5663, 8457)]