28473201

素因数分解:

$3^4\times {\mathrm{71}}^1\times {\mathrm{4951}}^1$

素因数の和:5034

約数の個数: 20

約数和(自身を含む): 43141824

約数和(自身を除く): 14668623

約数列:

[1, 3, 9, 27, 71, 81, 213, 639, 1917, 4951, 5751, 14853, 44559, 133677, 351521, 401031, 1054563, 3163689, 9491067, 28473201]

約数ペア:

[(1, 28473201), (3, 9491067), (9, 3163689), (27, 1054563), (71, 401031), (81, 351521), (213, 133677), (639, 44559), (1917, 14853), (4951, 5751)]