5207409

素因数分解:

$3^4\times {\mathrm{53}}^1\times {\mathrm{1213}}^1$

素因数の和:1278

約数の個数: 20

約数和(自身を含む): 7932276

約数和(自身を除く): 2724867

約数列:

[1, 3, 9, 27, 53, 81, 159, 477, 1213, 1431, 3639, 4293, 10917, 32751, 64289, 98253, 192867, 578601, 1735803, 5207409]

約数ペア:

[(1, 5207409), (3, 1735803), (9, 578601), (27, 192867), (53, 98253), (81, 64289), (159, 32751), (477, 10917), (1213, 4293), (1431, 3639)]